diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index 472defa102..7d802d37ce 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -34,7 +34,7 @@ html
 		link(rel='prefetch' href='https://xn--931a.moe/assets/info.jpg')
 		link(rel='prefetch' href='https://xn--931a.moe/assets/not-found.jpg')
 		link(rel='prefetch' href='https://xn--931a.moe/assets/error.jpg')
-		link(rel='stylesheet' href='https://unpkg.com/@tabler/icons@1.117.0/iconfont/tabler-icons.min.css')
+		link(rel='stylesheet' href='/assets/fontawesome/css/all.css')
 		link(rel='modulepreload' href=`/assets/${clientEntry.file}`)
 
 		if Array.isArray(clientEntry.css)
diff --git a/packages/client/src/account.ts b/packages/client/src/account.ts
index e981536dd8..e9c29d6b0d 100644
--- a/packages/client/src/account.ts
+++ b/packages/client/src/account.ts
@@ -213,7 +213,7 @@ export async function openAccountMenu(opts: {
 			avatar: $i,
 		}, null, ...(opts.includeCurrentAccount ? [createItem($i)] : []), ...accountItemPromises, {
 			type: 'parent',
-			icon: 'ti ti-plus',
+			icon: 'fas fa-plus',
 			text: i18n.ts.addAccount,
 			children: [{
 				text: i18n.ts.existingAccount,
diff --git a/packages/client/src/components/MkAbuseReportWindow.vue b/packages/client/src/components/MkAbuseReportWindow.vue
index 03890b4e97..1862d0a0e4 100644
--- a/packages/client/src/components/MkAbuseReportWindow.vue
+++ b/packages/client/src/components/MkAbuseReportWindow.vue
@@ -1,7 +1,7 @@
 <template>
 <XWindow ref="uiWindow" :initial-width="400" :initial-height="500" :can-resize="true" @closed="emit('closed')">
 	<template #header>
-		<i class="ti ti-exclamation-circle" style="margin-right: 0.5em;"></i>
+		<i class="fas fa-exclamation-circle" style="margin-right: 0.5em;"></i>
 		<I18n :src="i18n.ts.reportAbuseOf" tag="span">
 			<template #name>
 				<b><MkAcct :user="user"/></b>
diff --git a/packages/client/src/components/MkChannelFollowButton.vue b/packages/client/src/components/MkChannelFollowButton.vue
index 0d250268cf..dff02beec0 100644
--- a/packages/client/src/components/MkChannelFollowButton.vue
+++ b/packages/client/src/components/MkChannelFollowButton.vue
@@ -6,10 +6,10 @@
 >
 	<template v-if="!wait">
 		<template v-if="isFollowing">
-			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="ti ti-minus"></i>
+			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="fas fa-minus"></i>
 		</template>
 		<template v-else>
-			<span v-if="full">{{ i18n.ts.follow }}</span><i class="ti ti-plus"></i>
+			<span v-if="full">{{ i18n.ts.follow }}</span><i class="fas fa-plus"></i>
 		</template>
 	</template>
 	<template v-else>
diff --git a/packages/client/src/components/MkDialog.vue b/packages/client/src/components/MkDialog.vue
index c9e2a2b212..513e2d22ba 100644
--- a/packages/client/src/components/MkDialog.vue
+++ b/packages/client/src/components/MkDialog.vue
@@ -5,7 +5,7 @@
 			<i :class="icon"></i>
 		</div>
 		<div v-else-if="!input && !select" class="icon" :class="type">
-			<i v-if="type === 'success'" class="ti ti-check"></i>
+			<i v-if="type === 'success'" class="fas fa-check"></i>
 			<i v-else-if="type === 'error'" class="fas fa-times-circle"></i>
 			<i v-else-if="type === 'warning'" class="fas fa-exclamation-triangle"></i>
 			<i v-else-if="type === 'info'" class="fas fa-info-circle"></i>
diff --git a/packages/client/src/components/MkDrive.file.vue b/packages/client/src/components/MkDrive.file.vue
index c7f4a25f0c..22916d5680 100644
--- a/packages/client/src/components/MkDrive.file.vue
+++ b/packages/client/src/components/MkDrive.file.vue
@@ -75,7 +75,7 @@ function getMenu() {
 		action: describe,
 	}, null, {
 		text: i18n.ts.copyUrl,
-		icon: 'ti ti-link',
+		icon: 'fas fa-link',
 		action: copyUrl,
 	}, {
 		type: 'a',
@@ -86,7 +86,7 @@ function getMenu() {
 		download: props.file.name,
 	}, null, {
 		text: i18n.ts.delete,
-		icon: 'ti ti-trash',
+		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: deleteFile,
 	}];
diff --git a/packages/client/src/components/MkDrive.folder.vue b/packages/client/src/components/MkDrive.folder.vue
index e973b8d037..6c522c0862 100644
--- a/packages/client/src/components/MkDrive.folder.vue
+++ b/packages/client/src/components/MkDrive.folder.vue
@@ -257,7 +257,7 @@ function onContextmenu(ev: MouseEvent) {
 		action: rename,
 	}, null, {
 		text: i18n.ts.delete,
-		icon: 'ti ti-trash',
+		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: deleteFolder,
 	}], ev);
diff --git a/packages/client/src/components/MkDrive.navFolder.vue b/packages/client/src/components/MkDrive.navFolder.vue
index 3614113501..455c14f95e 100644
--- a/packages/client/src/components/MkDrive.navFolder.vue
+++ b/packages/client/src/components/MkDrive.navFolder.vue
@@ -7,7 +7,7 @@
 	@dragleave="onDragleave"
 	@drop.stop="onDrop"
 >
-	<i v-if="folder == null" class="ti ti-cloud"></i>
+	<i v-if="folder == null" class="fas fa-cloud"></i>
 	<span>{{ folder == null ? i18n.ts.drive : folder.name }}</span>
 </div>
 </template>
diff --git a/packages/client/src/components/MkDrive.vue b/packages/client/src/components/MkDrive.vue
index 92e8ff62c1..c79ab97000 100644
--- a/packages/client/src/components/MkDrive.vue
+++ b/packages/client/src/components/MkDrive.vue
@@ -24,7 +24,7 @@
 			<span v-if="folder != null" class="separator"><i class="fas fa-angle-right"></i></span>
 			<span v-if="folder != null" class="folder current">{{ folder.name }}</span>
 		</div>
-		<button class="menu _button" @click="showMenu"><i class="ti ti-dots"></i></button>
+		<button class="menu _button" @click="showMenu"><i class="fas fa-ellipsis-h"></i></button>
 	</nav>
 	<div
 		ref="main" class="main"
@@ -592,7 +592,7 @@ function getMenu() {
 		action: () => { selectLocalFile(); },
 	}, {
 		text: i18n.ts.fromUrl,
-		icon: 'ti ti-link',
+		icon: 'fas fa-link',
 		action: () => { urlUpload(); },
 	}, null, {
 		text: folder.value ? folder.value.name : i18n.ts.drive,
@@ -603,7 +603,7 @@ function getMenu() {
 		action: () => { renameFolder(folder.value); },
 	} : undefined, folder.value ? {
 		text: i18n.ts.deleteFolder,
-		icon: 'ti ti-trash',
+		icon: 'fas fa-trash-alt',
 		action: () => { deleteFolder(folder.value as Misskey.entities.DriveFolder); },
 	} : undefined, {
 		text: i18n.ts.createFolder,
diff --git a/packages/client/src/components/MkEmojiPicker.vue b/packages/client/src/components/MkEmojiPicker.vue
index 3f185487fb..3dc90ce545 100644
--- a/packages/client/src/components/MkEmojiPicker.vue
+++ b/packages/client/src/components/MkEmojiPicker.vue
@@ -72,7 +72,7 @@
 		<button class="_button tab" :class="{ active: tab === 'index' }" @click="tab = 'index'"><i class="fas fa-asterisk fa-fw"></i></button>
 		<button class="_button tab" :class="{ active: tab === 'custom' }" @click="tab = 'custom'"><i class="fas fa-laugh fa-fw"></i></button>
 		<button class="_button tab" :class="{ active: tab === 'unicode' }" @click="tab = 'unicode'"><i class="fas fa-leaf fa-fw"></i></button>
-		<button class="_button tab" :class="{ active: tab === 'tags' }" @click="tab = 'tags'"><i class="ti ti-hash fa-fw"></i></button>
+		<button class="_button tab" :class="{ active: tab === 'tags' }" @click="tab = 'tags'"><i class="fas fa-hashtag fa-fw"></i></button>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/components/MkFollowButton.vue b/packages/client/src/components/MkFollowButton.vue
index 5ec50cd28b..efee795e43 100644
--- a/packages/client/src/components/MkFollowButton.vue
+++ b/packages/client/src/components/MkFollowButton.vue
@@ -12,13 +12,13 @@
 			<span v-if="full">{{ i18n.ts.processing }}</span><i class="fas fa-spinner fa-pulse"></i>
 		</template>
 		<template v-else-if="isFollowing">
-			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="ti ti-minus"></i>
+			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="fas fa-minus"></i>
 		</template>
 		<template v-else-if="!isFollowing && user.isLocked">
-			<span v-if="full">{{ i18n.ts.followRequest }}</span><i class="ti ti-plus"></i>
+			<span v-if="full">{{ i18n.ts.followRequest }}</span><i class="fas fa-plus"></i>
 		</template>
 		<template v-else-if="!isFollowing && !user.isLocked">
-			<span v-if="full">{{ i18n.ts.follow }}</span><i class="ti ti-plus"></i>
+			<span v-if="full">{{ i18n.ts.follow }}</span><i class="fas fa-plus"></i>
 		</template>
 	</template>
 	<template v-else>
diff --git a/packages/client/src/components/MkGoogle.vue b/packages/client/src/components/MkGoogle.vue
index d104cd4cd4..bb4b439ee8 100644
--- a/packages/client/src/components/MkGoogle.vue
+++ b/packages/client/src/components/MkGoogle.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="mk-google">
 	<input v-model="query" type="search" :placeholder="q">
-	<button @click="search"><i class="ti ti-search"></i> {{ $ts.searchByGoogle }}</button>
+	<button @click="search"><i class="fas fa-search"></i> {{ $ts.searchByGoogle }}</button>
 </div>
 </template>
 
diff --git a/packages/client/src/components/MkModalPageWindow.vue b/packages/client/src/components/MkModalPageWindow.vue
index d68682be08..cc3f4c96cc 100644
--- a/packages/client/src/components/MkModalPageWindow.vue
+++ b/packages/client/src/components/MkModalPageWindow.vue
@@ -72,18 +72,18 @@ const contextmenu = $computed(() => {
 		text: i18n.ts.showInPage,
 		action: expand,
 	}, {
-		icon: 'ti ti-external-link',
+		icon: 'fas fa-external-link-alt',
 		text: i18n.ts.popout,
 		action: popout,
 	}, null, {
-		icon: 'ti ti-external-link',
+		icon: 'fas fa-external-link-alt',
 		text: i18n.ts.openInNewTab,
 		action: () => {
 			window.open(pageUrl, '_blank');
 			modal.close();
 		},
 	}, {
-		icon: 'ti ti-link',
+		icon: 'fas fa-link',
 		text: i18n.ts.copyLink,
 		action: () => {
 			copyToClipboard(pageUrl);
diff --git a/packages/client/src/components/MkModalWindow.vue b/packages/client/src/components/MkModalWindow.vue
index 139c6b5e50..5acd8c921f 100644
--- a/packages/client/src/components/MkModalWindow.vue
+++ b/packages/client/src/components/MkModalWindow.vue
@@ -7,7 +7,7 @@
 				<slot name="header"></slot>
 			</span>
 			<button v-if="!withOkButton" class="_button" @click="$emit('close')"><i class="fas fa-times"></i></button>
-			<button v-if="withOkButton" class="_button" :disabled="okButtonDisabled" @click="$emit('ok')"><i class="ti ti-check"></i></button>
+			<button v-if="withOkButton" class="_button" :disabled="okButtonDisabled" @click="$emit('ok')"><i class="fas fa-check"></i></button>
 		</div>
 		<div class="body">
 			<slot :width="bodyWidth" :height="bodyHeight"></slot>
diff --git a/packages/client/src/components/MkNote.vue b/packages/client/src/components/MkNote.vue
index 28896a936b..97eadb1945 100644
--- a/packages/client/src/components/MkNote.vue
+++ b/packages/client/src/components/MkNote.vue
@@ -15,7 +15,7 @@
 	<div v-if="appearNote._featuredId_" class="info"><i class="fas fa-bolt"></i> {{ i18n.ts.featured }}</div>
 	<div v-if="isRenote" class="renote">
 		<MkAvatar class="avatar" :user="note.user"/>
-		<i class="ti ti-repeat"></i>
+		<i class="fas fa-retweet"></i>
 		<I18n :src="i18n.ts.renotedBy" tag="span">
 			<template #user>
 				<MkA v-user-preview="note.userId" class="name" :to="userPage(note.user)">
@@ -25,7 +25,7 @@
 		</I18n>
 		<div class="info">
 			<button ref="renoteTime" class="_button time" @click="showRenoteMenu()">
-				<i v-if="isMyRenote" class="ti ti-dots dropdownIcon"></i>
+				<i v-if="isMyRenote" class="fas fa-ellipsis-h dropdownIcon"></i>
 				<MkTime :time="note.createdAt"/>
 			</button>
 			<MkVisibility :note="note"/>
@@ -44,7 +44,7 @@
 				<div v-show="appearNote.cw == null || showContent" class="content" :class="{ collapsed, isLong }">
 					<div class="text">
 						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
-						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
+						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="fas fa-reply"></i></MkA>
 						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
 						<a v-if="appearNote.renote != null" class="rp">RN:</a>
 						<div v-if="translating || translation" class="translation">
@@ -73,19 +73,19 @@
 			<footer class="footer">
 				<XReactionsViewer ref="reactionsViewer" :note="appearNote"/>
 				<button class="button _button" @click="reply()">
-					<template v-if="appearNote.reply"><i class="ti ti-arrow-back-up-all"></i></template>
-					<template v-else><i class="ti ti-arrow-back-up"></i></template>
+					<template v-if="appearNote.reply"><i class="fas fa-reply-all"></i></template>
+					<template v-else><i class="fas fa-reply"></i></template>
 					<p v-if="appearNote.repliesCount > 0" class="count">{{ appearNote.repliesCount }}</p>
 				</button>
 				<XRenoteButton ref="renoteButton" class="button" :note="appearNote" :count="appearNote.renoteCount"/>
 				<button v-if="appearNote.myReaction == null" ref="reactButton" class="button _button" @click="react()">
-					<i class="ti ti-plus"></i>
+					<i class="fas fa-plus"></i>
 				</button>
 				<button v-if="appearNote.myReaction != null" ref="reactButton" class="button _button reacted" @click="undoReact(appearNote)">
-					<i class="ti ti-minus"></i>
+					<i class="fas fa-minus"></i>
 				</button>
 				<button ref="menuButton" class="button _button" @click="menu()">
-					<i class="ti ti-dots"></i>
+					<i class="fas fa-ellipsis-h"></i>
 				</button>
 			</footer>
 		</div>
@@ -256,7 +256,7 @@ function showRenoteMenu(viaKeyboard = false): void {
 	if (!isMyRenote) return;
 	os.popupMenu([{
 		text: i18n.ts.unrenote,
-		icon: 'ti ti-trash',
+		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: () => {
 			os.api('notes/delete', {
diff --git a/packages/client/src/components/MkNoteDetailed.vue b/packages/client/src/components/MkNoteDetailed.vue
index 8bef4aad43..0ba93bbd76 100644
--- a/packages/client/src/components/MkNoteDetailed.vue
+++ b/packages/client/src/components/MkNoteDetailed.vue
@@ -13,7 +13,7 @@
 	<MkNoteSub v-if="appearNote.reply" :note="appearNote.reply" class="reply-to"/>
 	<div v-if="isRenote" class="renote">
 		<MkAvatar class="avatar" :user="note.user"/>
-		<i class="ti ti-repeat"></i>
+		<i class="fas fa-retweet"></i>
 		<I18n :src="i18n.ts.renotedBy" tag="span">
 			<template #user>
 				<MkA v-user-preview="note.userId" class="name" :to="userPage(note.user)">
@@ -23,7 +23,7 @@
 		</I18n>
 		<div class="info">
 			<button ref="renoteTime" class="_button time" @click="showRenoteMenu()">
-				<i v-if="isMyRenote" class="ti ti-dots dropdownIcon"></i>
+				<i v-if="isMyRenote" class="fas fa-ellipsis-h dropdownIcon"></i>
 				<MkTime :time="note.createdAt"/>
 			</button>
 			<MkVisibility :note="note"/>
@@ -55,7 +55,7 @@
 				<div v-show="appearNote.cw == null || showContent" class="content">
 					<div class="text">
 						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
-						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
+						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="fas fa-reply"></i></MkA>
 						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
 						<a v-if="appearNote.renote != null" class="rp">RN:</a>
 						<div v-if="translating || translation" class="translation">
@@ -83,19 +83,19 @@
 				</div>
 				<XReactionsViewer ref="reactionsViewer" :note="appearNote"/>
 				<button class="button _button" @click="reply()">
-					<template v-if="appearNote.reply"><i class="ti ti-arrow-back-up-all"></i></template>
-					<template v-else><i class="ti ti-arrow-back-up"></i></template>
+					<template v-if="appearNote.reply"><i class="fas fa-reply-all"></i></template>
+					<template v-else><i class="fas fa-reply"></i></template>
 					<p v-if="appearNote.repliesCount > 0" class="count">{{ appearNote.repliesCount }}</p>
 				</button>
 				<XRenoteButton ref="renoteButton" class="button" :note="appearNote" :count="appearNote.renoteCount"/>
 				<button v-if="appearNote.myReaction == null" ref="reactButton" class="button _button" @click="react()">
-					<i class="ti ti-plus"></i>
+					<i class="fas fa-plus"></i>
 				</button>
 				<button v-if="appearNote.myReaction != null" ref="reactButton" class="button _button reacted" @click="undoReact(appearNote)">
-					<i class="ti ti-minus"></i>
+					<i class="fas fa-minus"></i>
 				</button>
 				<button ref="menuButton" class="button _button" @click="menu()">
-					<i class="ti ti-dots"></i>
+					<i class="fas fa-ellipsis-h"></i>
 				</button>
 			</footer>
 		</div>
@@ -259,7 +259,7 @@ function showRenoteMenu(viaKeyboard = false): void {
 	if (!isMyRenote) return;
 	os.popupMenu([{
 		text: i18n.ts.unrenote,
-		icon: 'ti ti-trash',
+		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: () => {
 			os.api('notes/delete', {
diff --git a/packages/client/src/components/MkNotification.vue b/packages/client/src/components/MkNotification.vue
index a072630984..c00e9fbf42 100644
--- a/packages/client/src/components/MkNotification.vue
+++ b/packages/client/src/components/MkNotification.vue
@@ -5,12 +5,12 @@
 		<MkAvatar v-else-if="notification.user" class="icon" :user="notification.user"/>
 		<img v-else-if="notification.icon" class="icon" :src="notification.icon" alt=""/>
 		<div class="sub-icon" :class="notification.type">
-			<i v-if="notification.type === 'follow'" class="ti ti-plus"></i>
+			<i v-if="notification.type === 'follow'" class="fas fa-plus"></i>
 			<i v-else-if="notification.type === 'receiveFollowRequest'" class="fas fa-clock"></i>
-			<i v-else-if="notification.type === 'followRequestAccepted'" class="ti ti-check"></i>
+			<i v-else-if="notification.type === 'followRequestAccepted'" class="fas fa-check"></i>
 			<i v-else-if="notification.type === 'groupInvited'" class="fas fa-id-card-alt"></i>
-			<i v-else-if="notification.type === 'renote'" class="ti ti-repeat"></i>
-			<i v-else-if="notification.type === 'reply'" class="ti ti-arrow-back-up"></i>
+			<i v-else-if="notification.type === 'renote'" class="fas fa-retweet"></i>
+			<i v-else-if="notification.type === 'reply'" class="fas fa-reply"></i>
 			<i v-else-if="notification.type === 'mention'" class="fas fa-at"></i>
 			<i v-else-if="notification.type === 'quote'" class="fas fa-quote-left"></i>
 			<i v-else-if="notification.type === 'pollVote'" class="fas fa-poll-h"></i>
diff --git a/packages/client/src/components/MkPageWindow.vue b/packages/client/src/components/MkPageWindow.vue
index fc698f06b0..d58b914036 100644
--- a/packages/client/src/components/MkPageWindow.vue
+++ b/packages/client/src/components/MkPageWindow.vue
@@ -90,18 +90,18 @@ const contextmenu = $computed(() => ([{
 	text: i18n.ts.showInPage,
 	action: expand,
 }, {
-	icon: 'ti ti-external-link',
+	icon: 'fas fa-external-link-alt',
 	text: i18n.ts.popout,
 	action: popout,
 }, {
-	icon: 'ti ti-external-link',
+	icon: 'fas fa-external-link-alt',
 	text: i18n.ts.openInNewTab,
 	action: () => {
 		window.open(url + router.getCurrentPath(), '_blank');
 		windowEl.close();
 	},
 }, {
-	icon: 'ti ti-link',
+	icon: 'fas fa-link',
 	text: i18n.ts.copyLink,
 	action: () => {
 		copyToClipboard(url + router.getCurrentPath());
diff --git a/packages/client/src/components/MkPoll.vue b/packages/client/src/components/MkPoll.vue
index a1b927e42a..d90af1cfee 100644
--- a/packages/client/src/components/MkPoll.vue
+++ b/packages/client/src/components/MkPoll.vue
@@ -4,7 +4,7 @@
 		<li v-for="(choice, i) in note.poll.choices" :key="i" :class="{ voted: choice.voted }" @click="vote(i)">
 			<div class="backdrop" :style="{ 'width': `${showResult ? (choice.votes / total * 100) : 0}%` }"></div>
 			<span>
-				<template v-if="choice.isVoted"><i class="ti ti-check"></i></template>
+				<template v-if="choice.isVoted"><i class="fas fa-check"></i></template>
 				<Mfm :text="choice.text" :plain="true" :custom-emojis="note.emojis"/>
 				<span v-if="showResult" class="votes">({{ $t('_poll.votesCount', { n: choice.votes }) }})</span>
 			</span>
diff --git a/packages/client/src/components/MkPostForm.vue b/packages/client/src/components/MkPostForm.vue
index 8650afe83f..308dd63dd3 100644
--- a/packages/client/src/components/MkPostForm.vue
+++ b/packages/client/src/components/MkPostForm.vue
@@ -16,13 +16,13 @@
 			<span class="text-count" :class="{ over: textLength > maxTextLength }">{{ maxTextLength - textLength }}</span>
 			<span v-if="localOnly" class="local-only"><i class="fas fa-biohazard"></i></span>
 			<button ref="visibilityButton" v-tooltip="i18n.ts.visibility" class="_button visibility" :disabled="channel != null" @click="setVisibility">
-				<span v-if="visibility === 'public'"><i class="ti ti-world"></i></span>
-				<span v-if="visibility === 'home'"><i class="ti ti-home-2"></i></span>
+				<span v-if="visibility === 'public'"><i class="fas fa-globe"></i></span>
+				<span v-if="visibility === 'home'"><i class="fas fa-home"></i></span>
 				<span v-if="visibility === 'followers'"><i class="fas fa-unlock"></i></span>
 				<span v-if="visibility === 'specified'"><i class="fas fa-envelope"></i></span>
 			</button>
 			<button v-tooltip="i18n.ts.previewNoteText" class="_button preview" :class="{ active: showPreview }" @click="showPreview = !showPreview"><i class="fas fa-file-code"></i></button>
-			<button class="submit _buttonGradate" :disabled="!canPost" data-cy-open-post-form-submit @click="post">{{ submitText }}<i :class="reply ? 'ti ti-arrow-back-up' : renote ? 'fas fa-quote-right' : 'ti ti-send'"></i></button>
+			<button class="submit _buttonGradate" :disabled="!canPost" data-cy-open-post-form-submit @click="post">{{ submitText }}<i :class="reply ? 'fas fa-reply' : renote ? 'fas fa-quote-right' : 'fas fa-paper-plane'"></i></button>
 		</div>
 	</header>
 	<div class="form" :class="{ fixed }">
@@ -36,7 +36,7 @@
 					<MkAcct :user="u"/>
 					<button class="_button" @click="removeVisibleUser(u)"><i class="fas fa-times"></i></button>
 				</span>
-				<button class="_buttonPrimary" @click="addVisibleUser"><i class="ti ti-plus fa-fw"></i></button>
+				<button class="_buttonPrimary" @click="addVisibleUser"><i class="fas fa-plus fa-fw"></i></button>
 			</div>
 		</div>
 		<MkInfo v-if="hasNotSpecifiedMentions" warn class="hasNotSpecifiedMentions">{{ i18n.ts.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.ts.add }}</button></MkInfo>
@@ -51,7 +51,7 @@
 			<button v-tooltip="i18n.ts.poll" class="_button" :class="{ active: poll }" @click="togglePoll"><i class="fas fa-poll-h"></i></button>
 			<button v-tooltip="i18n.ts.useCw" class="_button" :class="{ active: useCw }" @click="useCw = !useCw"><i class="fas fa-eye-slash"></i></button>
 			<button v-tooltip="i18n.ts.mention" class="_button" @click="insertMention"><i class="fas fa-at"></i></button>
-			<button v-tooltip="i18n.ts.hashtags" class="_button" :class="{ active: withHashtags }" @click="withHashtags = !withHashtags"><i class="ti ti-hash"></i></button>
+			<button v-tooltip="i18n.ts.hashtags" class="_button" :class="{ active: withHashtags }" @click="withHashtags = !withHashtags"><i class="fas fa-hashtag"></i></button>
 			<button v-tooltip="i18n.ts.emoji" class="_button" @click="insertEmoji"><i class="fas fa-laugh-squint"></i></button>
 			<button v-if="postFormActions.length > 0" v-tooltip="i18n.ts.plugin" class="_button" @click="showActions"><i class="fas fa-plug"></i></button>
 		</footer>
diff --git a/packages/client/src/components/MkRenoteButton.vue b/packages/client/src/components/MkRenoteButton.vue
index 811b9b08f4..413f3406a4 100644
--- a/packages/client/src/components/MkRenoteButton.vue
+++ b/packages/client/src/components/MkRenoteButton.vue
@@ -5,7 +5,7 @@
 	class="eddddedb _button canRenote"
 	@click="renote()"
 >
-	<i class="ti ti-repeat"></i>
+	<i class="fas fa-retweet"></i>
 	<p v-if="count > 0" class="count">{{ count }}</p>
 </button>
 <button v-else class="eddddedb _button">
@@ -54,7 +54,7 @@ const renote = (viaKeyboard = false) => {
 	pleaseLogin();
 	os.popupMenu([{
 		text: i18n.ts.renote,
-		icon: 'ti ti-repeat',
+		icon: 'fas fa-retweet',
 		action: () => {
 			os.api('notes/create', {
 				renoteId: props.note.id,
diff --git a/packages/client/src/components/MkSignup.vue b/packages/client/src/components/MkSignup.vue
index c115501b65..c1f91b18c2 100644
--- a/packages/client/src/components/MkSignup.vue
+++ b/packages/client/src/components/MkSignup.vue
@@ -10,7 +10,7 @@
 		<template #suffix>@{{ host }}</template>
 		<template #caption>
 			<span v-if="usernameState === 'wait'" style="color:#999"><i class="fas fa-spinner fa-pulse fa-fw"></i> {{ i18n.ts.checking }}</span>
-			<span v-else-if="usernameState === 'ok'" style="color: var(--success)"><i class="ti ti-check fa-fw"></i> {{ i18n.ts.available }}</span>
+			<span v-else-if="usernameState === 'ok'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ i18n.ts.available }}</span>
 			<span v-else-if="usernameState === 'unavailable'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts.unavailable }}</span>
 			<span v-else-if="usernameState === 'error'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts.error }}</span>
 			<span v-else-if="usernameState === 'invalid-format'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts.usernameInvalidFormat }}</span>
@@ -23,7 +23,7 @@
 		<template #prefix><i class="fas fa-envelope"></i></template>
 		<template #caption>
 			<span v-if="emailState === 'wait'" style="color:#999"><i class="fas fa-spinner fa-pulse fa-fw"></i> {{ i18n.ts.checking }}</span>
-			<span v-else-if="emailState === 'ok'" style="color: var(--success)"><i class="ti ti-check fa-fw"></i> {{ i18n.ts.available }}</span>
+			<span v-else-if="emailState === 'ok'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ i18n.ts.available }}</span>
 			<span v-else-if="emailState === 'unavailable:used'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts._emailUnavailable.used }}</span>
 			<span v-else-if="emailState === 'unavailable:format'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts._emailUnavailable.format }}</span>
 			<span v-else-if="emailState === 'unavailable:disposable'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts._emailUnavailable.disposable }}</span>
@@ -38,15 +38,15 @@
 		<template #prefix><i class="fas fa-lock"></i></template>
 		<template #caption>
 			<span v-if="passwordStrength == 'low'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts.weakPassword }}</span>
-			<span v-if="passwordStrength == 'medium'" style="color: var(--warn)"><i class="ti ti-check fa-fw"></i> {{ i18n.ts.normalPassword }}</span>
-			<span v-if="passwordStrength == 'high'" style="color: var(--success)"><i class="ti ti-check fa-fw"></i> {{ i18n.ts.strongPassword }}</span>
+			<span v-if="passwordStrength == 'medium'" style="color: var(--warn)"><i class="fas fa-check fa-fw"></i> {{ i18n.ts.normalPassword }}</span>
+			<span v-if="passwordStrength == 'high'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ i18n.ts.strongPassword }}</span>
 		</template>
 	</MkInput>
 	<MkInput v-model="retypedPassword" class="_formBlock" type="password" autocomplete="new-password" required data-cy-signup-password-retype @update:modelValue="onChangePasswordRetype">
 		<template #label>{{ i18n.ts.password }} ({{ i18n.ts.retype }})</template>
 		<template #prefix><i class="fas fa-lock"></i></template>
 		<template #caption>
-			<span v-if="passwordRetypeState == 'match'" style="color: var(--success)"><i class="ti ti-check fa-fw"></i> {{ i18n.ts.passwordMatched }}</span>
+			<span v-if="passwordRetypeState == 'match'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ i18n.ts.passwordMatched }}</span>
 			<span v-if="passwordRetypeState == 'not-match'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ i18n.ts.passwordNotMatched }}</span>
 		</template>
 	</MkInput>
diff --git a/packages/client/src/components/MkSubNoteContent.vue b/packages/client/src/components/MkSubNoteContent.vue
index 210923be46..237f4cf228 100644
--- a/packages/client/src/components/MkSubNoteContent.vue
+++ b/packages/client/src/components/MkSubNoteContent.vue
@@ -3,7 +3,7 @@
 	<div class="body">
 		<span v-if="note.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
 		<span v-if="note.deletedAt" style="opacity: 0.5">({{ i18n.ts.deleted }})</span>
-		<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
+		<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="fas fa-reply"></i></MkA>
 		<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
 		<MkA v-if="note.renoteId" class="rp" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
 	</div>
diff --git a/packages/client/src/components/MkVisibility.vue b/packages/client/src/components/MkVisibility.vue
index 6def2022a0..ca1f9a6cd8 100644
--- a/packages/client/src/components/MkVisibility.vue
+++ b/packages/client/src/components/MkVisibility.vue
@@ -1,6 +1,6 @@
 <template>
 <span v-if="note.visibility !== 'public'" :class="$style.visibility" :title="i18n.ts._visibility[note.visibility]">
-	<i v-if="note.visibility === 'home'" class="ti ti-home-2"></i>
+	<i v-if="note.visibility === 'home'" class="fas fa-home"></i>
 	<i v-else-if="note.visibility === 'followers'" class="fas fa-unlock"></i>
 	<i v-else-if="note.visibility === 'specified'" ref="specified" class="fas fa-envelope"></i>
 </span>
diff --git a/packages/client/src/components/MkVisibilityPicker.vue b/packages/client/src/components/MkVisibilityPicker.vue
index 9e0e338c06..ecc022eca0 100644
--- a/packages/client/src/components/MkVisibilityPicker.vue
+++ b/packages/client/src/components/MkVisibilityPicker.vue
@@ -2,14 +2,14 @@
 <MkModal ref="modal" :z-priority="'high'" :src="src" @click="modal.close()" @closed="emit('closed')">
 	<div class="gqyayizv _popup">
 		<button key="public" class="_button" :class="{ active: v === 'public' }" data-index="1" @click="choose('public')">
-			<div><i class="ti ti-world"></i></div>
+			<div><i class="fas fa-globe"></i></div>
 			<div>
 				<span>{{ i18n.ts._visibility.public }}</span>
 				<span>{{ i18n.ts._visibility.publicDescription }}</span>
 			</div>
 		</button>
 		<button key="home" class="_button" :class="{ active: v === 'home' }" data-index="2" @click="choose('home')">
-			<div><i class="ti ti-home-2"></i></div>
+			<div><i class="fas fa-home"></i></div>
 			<div>
 				<span>{{ i18n.ts._visibility.home }}</span>
 				<span>{{ i18n.ts._visibility.homeDescription }}</span>
diff --git a/packages/client/src/components/MkWaitingDialog.vue b/packages/client/src/components/MkWaitingDialog.vue
index ee86aec967..77b664d3b1 100644
--- a/packages/client/src/components/MkWaitingDialog.vue
+++ b/packages/client/src/components/MkWaitingDialog.vue
@@ -1,7 +1,7 @@
 <template>
 <MkModal ref="modal" :prefer-type="'dialog'" :z-priority="'high'" @click="success ? done() : () => {}" @closed="emit('closed')">
 	<div class="iuyakobc" :class="{ iconOnly: (text == null) || success }">
-		<i v-if="success" class="ti ti-check icon success"></i>
+		<i v-if="success" class="fas fa-check icon success"></i>
 		<i v-else class="fas fa-spinner fa-pulse icon waiting"></i>
 		<div v-if="text && !success" class="text">{{ text }}<MkEllipsis/></div>
 	</div>
diff --git a/packages/client/src/components/MkWidgets.vue b/packages/client/src/components/MkWidgets.vue
index 31b787b5bb..fcb0d11af4 100644
--- a/packages/client/src/components/MkWidgets.vue
+++ b/packages/client/src/components/MkWidgets.vue
@@ -6,7 +6,7 @@
 				<template #label>{{ i18n.ts.selectWidget }}</template>
 				<option v-for="widget in widgetDefs" :key="widget" :value="widget">{{ i18n.t(`_widgets.${widget}`) }}</option>
 			</MkSelect>
-			<MkButton inline primary class="mk-widget-add" @click="addWidget"><i class="ti ti-plus"></i> {{ i18n.ts.add }}</MkButton>
+			<MkButton inline primary class="mk-widget-add" @click="addWidget"><i class="fas fa-plus"></i> {{ i18n.ts.add }}</MkButton>
 			<MkButton inline @click="$emit('exit')">{{ i18n.ts.close }}</MkButton>
 		</header>
 		<XDraggable
@@ -17,7 +17,7 @@
 		>
 			<template #item="{element}">
 				<div class="customize-container">
-					<button class="config _button" @click.prevent.stop="configWidget(element.id)"><i class="ti ti-settings"></i></button>
+					<button class="config _button" @click.prevent.stop="configWidget(element.id)"><i class="fas fa-cog"></i></button>
 					<button class="remove _button" @click.prevent.stop="removeWidget(element)"><i class="fas fa-times"></i></button>
 					<div class="handle">
 						<component :is="`mkw-${element.name}`" :ref="el => widgetRefs[element.id] = el" class="widget" :widget="element" @updateProps="updateWidget(element.id, $event)"/>
@@ -104,7 +104,7 @@ function onContextmenu(widget: Widget, ev: MouseEvent) {
 		type: 'label',
 		text: i18n.t(`_widgets.${widget.name}`),
 	}, {
-		icon: 'ti ti-settings',
+		icon: 'fas fa-cog',
 		text: i18n.ts.settings,
 		action: () => {
 			configWidget(widget.id);
diff --git a/packages/client/src/components/form/checkbox.vue b/packages/client/src/components/form/checkbox.vue
index ba3b2dc146..bd56c9c7ea 100644
--- a/packages/client/src/components/form/checkbox.vue
+++ b/packages/client/src/components/form/checkbox.vue
@@ -10,7 +10,7 @@
 		@keydown.enter="toggle"
 	>
 	<span ref="button" v-adaptive-border v-tooltip="checked ? i18n.ts.itsOn : i18n.ts.itsOff" class="button" @click.prevent="toggle">
-		<i class="check ti ti-check"></i>
+		<i class="check fas fa-check"></i>
 	</span>
 	<span class="label">
 		<!-- TODO: 無名slotの方は廃止 -->
diff --git a/packages/client/src/components/form/input.vue b/packages/client/src/components/form/input.vue
index 939e9691a6..382b2ed528 100644
--- a/packages/client/src/components/form/input.vue
+++ b/packages/client/src/components/form/input.vue
@@ -29,7 +29,7 @@
 	</div>
 	<div class="caption"><slot name="caption"></slot></div>
 
-	<MkButton v-if="manualSave && changed" primary class="save" @click="updated"><i class="ti ti-check"></i> {{ i18n.ts.save }}</MkButton>
+	<MkButton v-if="manualSave && changed" primary class="save" @click="updated"><i class="fas fa-check"></i> {{ i18n.ts.save }}</MkButton>
 </div>
 </template>
 
diff --git a/packages/client/src/components/form/link.vue b/packages/client/src/components/form/link.vue
index 8048329f5a..899394cb62 100644
--- a/packages/client/src/components/form/link.vue
+++ b/packages/client/src/components/form/link.vue
@@ -5,7 +5,7 @@
 		<span class="text"><slot></slot></span>
 		<span class="right">
 			<span class="text"><slot name="suffix"></slot></span>
-			<i class="ti ti-external-link icon"></i>
+			<i class="fas fa-external-link-alt icon"></i>
 		</span>
 	</a>
 	<MkA v-else class="main _button" :class="{ active }" :to="to" :behavior="behavior">
diff --git a/packages/client/src/components/global/MkA.vue b/packages/client/src/components/global/MkA.vue
index 287983520e..67bf54def8 100644
--- a/packages/client/src/components/global/MkA.vue
+++ b/packages/client/src/components/global/MkA.vue
@@ -53,13 +53,13 @@ function onContextmenu(ev) {
 			router.push(props.to, 'forcePage');
 		},
 	}, null, {
-		icon: 'ti ti-external-link',
+		icon: 'fas fa-external-link-alt',
 		text: i18n.ts.openInNewTab,
 		action: () => {
 			window.open(props.to, '_blank');
 		},
 	}, {
-		icon: 'ti ti-link',
+		icon: 'fas fa-link',
 		text: i18n.ts.copyLink,
 		action: () => {
 			copyToClipboard(`${url}${props.to}`);
diff --git a/packages/client/src/components/page/page.post.vue b/packages/client/src/components/page/page.post.vue
index 0ef50d65cd..954c7675bd 100644
--- a/packages/client/src/components/page/page.post.vue
+++ b/packages/client/src/components/page/page.post.vue
@@ -2,8 +2,8 @@
 <div class="ngbfujlo">
 	<MkTextarea :model-value="text" readonly style="margin: 0;"></MkTextarea>
 	<MkButton class="button" primary :disabled="posting || posted" @click="post()">
-		<i v-if="posted" class="ti ti-check"></i>
-		<i v-else class="ti ti-send"></i>
+		<i v-if="posted" class="fas fa-check"></i>
+		<i v-else class="fas fa-paper-plane"></i>
 	</MkButton>
 </div>
 </template>
diff --git a/packages/client/src/navbar.ts b/packages/client/src/navbar.ts
index f090012d1a..03e00b1c17 100644
--- a/packages/client/src/navbar.ts
+++ b/packages/client/src/navbar.ts
@@ -9,21 +9,21 @@ import { unisonReload } from '@/scripts/unison-reload';
 export const navbarItemDef = reactive({
 	notifications: {
 		title: 'notifications',
-		icon: 'ti ti-bell',
+		icon: 'fas fa-bell',
 		show: computed(() => $i != null),
 		indicated: computed(() => $i != null && $i.hasUnreadNotification),
 		to: '/my/notifications',
 	},
 	messaging: {
 		title: 'messaging',
-		icon: 'ti ti-messages',
+		icon: 'fas fa-comments',
 		show: computed(() => $i != null),
 		indicated: computed(() => $i != null && $i.hasUnreadMessagingMessage),
 		to: '/my/messaging',
 	},
 	drive: {
 		title: 'drive',
-		icon: 'ti ti-cloud',
+		icon: 'fas fa-cloud',
 		show: computed(() => $i != null),
 		to: '/my/drive',
 	},
@@ -36,7 +36,7 @@ export const navbarItemDef = reactive({
 	},
 	explore: {
 		title: 'explore',
-		icon: 'ti ti-hash',
+		icon: 'fas fa-hashtag',
 		to: '/explore',
 	},
 	announcements: {
@@ -47,7 +47,7 @@ export const navbarItemDef = reactive({
 	},
 	search: {
 		title: 'search',
-		icon: 'ti ti-search',
+		icon: 'fas fa-search',
 		action: () => search(),
 	},
 	lists: {
@@ -72,7 +72,7 @@ export const navbarItemDef = reactive({
 	},
 	favorites: {
 		title: 'favorites',
-		icon: 'ti ti-star',
+		icon: 'fas fa-star',
 		show: computed(() => $i != null),
 		to: '/my/favorites',
 	},
@@ -88,7 +88,7 @@ export const navbarItemDef = reactive({
 	},
 	clips: {
 		title: 'clip',
-		icon: 'ti ti-paperclip',
+		icon: 'fas fa-paperclip',
 		show: computed(() => $i != null),
 		to: '/my/clips',
 	},
diff --git a/packages/client/src/pages/about-misskey.vue b/packages/client/src/pages/about-misskey.vue
index 0b73580345..7bcccea98f 100644
--- a/packages/client/src/pages/about-misskey.vue
+++ b/packages/client/src/pages/about-misskey.vue
@@ -25,7 +25,7 @@
 							<template #suffix>GitHub</template>
 						</FormLink>
 						<FormLink to="https://crowdin.com/project/misskey" external>
-							<template #icon><i class="ti ti-language-hiragana"></i></template>
+							<template #icon><i class="fas fa-language"></i></template>
 							{{ i18n.ts._aboutMisskey.translation }}
 							<template #suffix>Crowdin</template>
 						</FormLink>
diff --git a/packages/client/src/pages/about.emojis.vue b/packages/client/src/pages/about.emojis.vue
index 53ce1e4b75..df64378c01 100644
--- a/packages/client/src/pages/about.emojis.vue
+++ b/packages/client/src/pages/about.emojis.vue
@@ -2,7 +2,7 @@
 <div class="driuhtrh">
 	<div class="query">
 		<MkInput v-model="q" class="" :placeholder="$ts.search">
-			<template #prefix><i class="ti ti-search"></i></template>
+			<template #prefix><i class="fas fa-search"></i></template>
 		</MkInput>
 
 		<!-- たくさんあると邪魔
diff --git a/packages/client/src/pages/about.federation.vue b/packages/client/src/pages/about.federation.vue
index 6c92ab1264..c501a77582 100644
--- a/packages/client/src/pages/about.federation.vue
+++ b/packages/client/src/pages/about.federation.vue
@@ -2,7 +2,7 @@
 <div class="taeiyria">
 	<div class="query">
 		<MkInput v-model="host" :debounce="true" class="">
-			<template #prefix><i class="ti ti-search"></i></template>
+			<template #prefix><i class="fas fa-search"></i></template>
 			<template #label>{{ i18n.ts.host }}</template>
 		</MkInput>
 		<FormSplit style="margin-top: var(--margin);">
diff --git a/packages/client/src/pages/about.vue b/packages/client/src/pages/about.vue
index d8c3559ee9..d124db55a7 100644
--- a/packages/client/src/pages/about.vue
+++ b/packages/client/src/pages/about.vue
@@ -123,7 +123,7 @@ const headerTabs = $computed(() => [{
 }, {
 	key: 'federation',
 	title: i18n.ts.federation,
-	icon: 'ti ti-world',
+	icon: 'fas fa-globe',
 }, {
 	key: 'charts',
 	title: i18n.ts.charts,
diff --git a/packages/client/src/pages/admin-file.vue b/packages/client/src/pages/admin-file.vue
index b53a09143a..a62e0f630f 100644
--- a/packages/client/src/pages/admin-file.vue
+++ b/packages/client/src/pages/admin-file.vue
@@ -36,7 +36,7 @@
 			</div>
 
 			<div class="_formBlock">
-				<MkButton danger @click="del"><i class="ti ti-trash"></i> {{ i18n.ts.delete }}</MkButton>
+				<MkButton danger @click="del"><i class="fas fa-trash-alt"></i> {{ i18n.ts.delete }}</MkButton>
 			</div>
 		</div>
 		<div v-else-if="tab === 'ip' && info" class="_formRoot">
@@ -114,7 +114,7 @@ async function toggleIsSensitive(v) {
 
 const headerActions = $computed(() => [{
 	text: i18n.ts.openInNewTab,
-	icon: 'ti ti-external-link',
+	icon: 'fas fa-external-link-alt',
 	handler: () => {
 		window.open(file.url, '_blank');
 	},
diff --git a/packages/client/src/pages/admin/abuses.vue b/packages/client/src/pages/admin/abuses.vue
index 973ec871ab..9907d4d235 100644
--- a/packages/client/src/pages/admin/abuses.vue
+++ b/packages/client/src/pages/admin/abuses.vue
@@ -86,7 +86,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.abuseReports,
-	icon: 'ti ti-exclamation-circle',
+	icon: 'fas fa-exclamation-circle',
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/ads.vue b/packages/client/src/pages/admin/ads.vue
index 48ab3abb9f..9a28d2ad61 100644
--- a/packages/client/src/pages/admin/ads.vue
+++ b/packages/client/src/pages/admin/ads.vue
@@ -38,7 +38,7 @@
 				</MkTextarea>
 				<div class="buttons _formBlock">
 					<MkButton class="button" inline primary style="margin-right: 12px;" @click="save(ad)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
-					<MkButton class="button" inline danger @click="remove(ad)"><i class="ti ti-trash"></i> {{ i18n.ts.remove }}</MkButton>
+					<MkButton class="button" inline danger @click="remove(ad)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
 				</div>
 			</div>
 		</div>
@@ -106,7 +106,7 @@ function save(ad) {
 
 const headerActions = $computed(() => [{
 	asFullButton: true,
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.add,
 	handler: add,
 }]);
diff --git a/packages/client/src/pages/admin/announcements.vue b/packages/client/src/pages/admin/announcements.vue
index 764cbaeaa5..f10693314a 100644
--- a/packages/client/src/pages/admin/announcements.vue
+++ b/packages/client/src/pages/admin/announcements.vue
@@ -17,7 +17,7 @@
 					<p v-if="announcement.reads">{{ i18n.t('nUsersRead', { n: announcement.reads }) }}</p>
 					<div class="buttons">
 						<MkButton class="button" inline primary @click="save(announcement)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
-						<MkButton class="button" inline @click="remove(announcement)"><i class="ti ti-trash"></i> {{ i18n.ts.remove }}</MkButton>
+						<MkButton class="button" inline @click="remove(announcement)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
 					</div>
 				</div>
 			</section>
@@ -92,7 +92,7 @@ function save(announcement) {
 
 const headerActions = $computed(() => [{
 	asFullButton: true,
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.add,
 	handler: add,
 }]);
diff --git a/packages/client/src/pages/admin/email-settings.vue b/packages/client/src/pages/admin/email-settings.vue
index 605112242f..64137f0c3e 100644
--- a/packages/client/src/pages/admin/email-settings.vue
+++ b/packages/client/src/pages/admin/email-settings.vue
@@ -112,7 +112,7 @@ const headerActions = $computed(() => [{
 	handler: testEmail,
 }, {
 	asFullButton: true,
-	icon: 'ti ti-check',
+	icon: 'fas fa-check',
 	text: i18n.ts.save,
 	handler: save,
 }]);
diff --git a/packages/client/src/pages/admin/emoji-edit-dialog.vue b/packages/client/src/pages/admin/emoji-edit-dialog.vue
index bd601cb1de..090dd9afc1 100644
--- a/packages/client/src/pages/admin/emoji-edit-dialog.vue
+++ b/packages/client/src/pages/admin/emoji-edit-dialog.vue
@@ -22,7 +22,7 @@
 				<template #label>{{ i18n.ts.tags }}</template>
 				<template #caption>{{ i18n.ts.setMultipleBySeparatingWithSpace }}</template>
 			</MkInput>
-			<MkButton danger @click="del()"><i class="ti ti-trash"></i> {{ i18n.ts.delete }}</MkButton>
+			<MkButton danger @click="del()"><i class="fas fa-trash-alt"></i> {{ i18n.ts.delete }}</MkButton>
 		</div>
 	</div>
 </XModalWindow>
diff --git a/packages/client/src/pages/admin/emojis.vue b/packages/client/src/pages/admin/emojis.vue
index 790f14af91..94f152d7db 100644
--- a/packages/client/src/pages/admin/emojis.vue
+++ b/packages/client/src/pages/admin/emojis.vue
@@ -6,7 +6,7 @@
 			<div class="ogwlenmc">
 				<div v-if="tab === 'local'" class="local">
 					<MkInput v-model="query" :debounce="true" type="search">
-						<template #prefix><i class="ti ti-search"></i></template>
+						<template #prefix><i class="fas fa-search"></i></template>
 						<template #label>{{ i18n.ts.search }}</template>
 					</MkInput>
 					<MkSwitch v-model="selectMode" style="margin: 8px 0;">
@@ -39,7 +39,7 @@
 				<div v-else-if="tab === 'remote'" class="remote">
 					<FormSplit>
 						<MkInput v-model="queryRemote" :debounce="true" type="search">
-							<template #prefix><i class="ti ti-search"></i></template>
+							<template #prefix><i class="fas fa-search"></i></template>
 							<template #label>{{ i18n.ts.search }}</template>
 						</MkInput>
 						<MkInput v-model="host" :debounce="true">
@@ -164,7 +164,7 @@ const remoteMenu = (emoji, ev: MouseEvent) => {
 		text: ':' + emoji.name + ':',
 	}, {
 		text: i18n.ts.import,
-		icon: 'ti ti-plus',
+		icon: 'fas fa-plus',
 		action: () => { im(emoji); },
 	}], ev.currentTarget ?? ev.target);
 };
@@ -273,11 +273,11 @@ const delBulk = async () => {
 
 const headerActions = $computed(() => [{
 	asFullButton: true,
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.addEmoji,
 	handler: add,
 }, {
-	icon: 'ti ti-dots',
+	icon: 'fas fa-ellipsis-h',
 	handler: menu,
 }]);
 
diff --git a/packages/client/src/pages/admin/files.vue b/packages/client/src/pages/admin/files.vue
index 8ad6bd4fc0..2e3a807ba6 100644
--- a/packages/client/src/pages/admin/files.vue
+++ b/packages/client/src/pages/admin/files.vue
@@ -97,11 +97,11 @@ async function find() {
 
 const headerActions = $computed(() => [{
 	text: i18n.ts.lookup,
-	icon: 'ti ti-search',
+	icon: 'fas fa-search',
 	handler: find,
 }, {
 	text: i18n.ts.clearCachedFiles,
-	icon: 'ti ti-trash',
+	icon: 'fas fa-trash-alt',
 	handler: clear,
 }]);
 
@@ -109,7 +109,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata(computed(() => ({
 	title: i18n.ts.files,
-	icon: 'ti ti-cloud',
+	icon: 'fas fa-cloud',
 })));
 </script>
 
diff --git a/packages/client/src/pages/admin/index.vue b/packages/client/src/pages/admin/index.vue
index 9fd2b6bb0a..20f82bba28 100644
--- a/packages/client/src/pages/admin/index.vue
+++ b/packages/client/src/pages/admin/index.vue
@@ -40,7 +40,7 @@ const router = useRouter();
 
 const indexInfo = {
 	title: i18n.ts.controlPanel,
-	icon: 'ti ti-settings',
+	icon: 'fas fa-cog',
 	hideHeader: true,
 };
 
@@ -75,7 +75,7 @@ const menuDef = $computed(() => [{
 	title: i18n.ts.quickAction,
 	items: [{
 		type: 'button',
-		icon: 'ti ti-search',
+		icon: 'fas fa-search',
 		text: i18n.ts.lookup,
 		action: lookup,
 	}, ...(instance.disableRegistration ? [{
@@ -102,7 +102,7 @@ const menuDef = $computed(() => [{
 		to: '/admin/emojis',
 		active: currentPage?.route.name === 'emojis',
 	}, {
-		icon: 'ti ti-world',
+		icon: 'fas fa-globe',
 		text: i18n.ts.federation,
 		to: '/about#federation',
 		active: currentPage?.route.name === 'federation',
@@ -112,7 +112,7 @@ const menuDef = $computed(() => [{
 		to: '/admin/queue',
 		active: currentPage?.route.name === 'queue',
 	}, {
-		icon: 'ti ti-cloud',
+		icon: 'fas fa-cloud',
 		text: i18n.ts.files,
 		to: '/admin/files',
 		active: currentPage?.route.name === 'files',
@@ -127,7 +127,7 @@ const menuDef = $computed(() => [{
 		to: '/admin/ads',
 		active: currentPage?.route.name === 'ads',
 	}, {
-		icon: 'ti ti-exclamation-circle',
+		icon: 'fas fa-exclamation-circle',
 		text: i18n.ts.abuseReports,
 		to: '/admin/abuses',
 		active: currentPage?.route.name === 'abuses',
@@ -135,7 +135,7 @@ const menuDef = $computed(() => [{
 }, {
 	title: i18n.ts.settings,
 	items: [{
-		icon: 'ti ti-settings',
+		icon: 'fas fa-cog',
 		text: i18n.ts.general,
 		to: '/admin/settings',
 		active: currentPage?.route.name === 'settings',
@@ -145,7 +145,7 @@ const menuDef = $computed(() => [{
 		to: '/admin/email-settings',
 		active: currentPage?.route.name === 'email-settings',
 	}, {
-		icon: 'ti ti-cloud',
+		icon: 'fas fa-cloud',
 		text: i18n.ts.objectStorage,
 		to: '/admin/object-storage',
 		active: currentPage?.route.name === 'object-storage',
@@ -155,12 +155,12 @@ const menuDef = $computed(() => [{
 		to: '/admin/security',
 		active: currentPage?.route.name === 'security',
 	}, {
-		icon: 'ti ti-world',
+		icon: 'fas fa-globe',
 		text: i18n.ts.relays,
 		to: '/admin/relays',
 		active: currentPage?.route.name === 'relays',
 	}, {
-		icon: 'ti ti-share',
+		icon: 'fas fa-share-alt',
 		text: i18n.ts.integration,
 		to: '/admin/integrations',
 		active: currentPage?.route.name === 'integrations',
@@ -175,7 +175,7 @@ const menuDef = $computed(() => [{
 		to: '/admin/proxy-account',
 		active: currentPage?.route.name === 'proxy-account',
 	}, {
-		icon: 'ti ti-adjustments',
+		icon: 'fas fa-cogs',
 		text: i18n.ts.other,
 		to: '/admin/other-settings',
 		active: currentPage?.route.name === 'other-settings',
@@ -246,13 +246,13 @@ const lookup = (ev) => {
 		},
 	}, {
 		text: i18n.ts.file,
-		icon: 'ti ti-cloud',
+		icon: 'fas fa-cloud',
 		action: () => {
 			alert('TODO');
 		},
 	}, {
 		text: i18n.ts.instance,
-		icon: 'ti ti-world',
+		icon: 'fas fa-globe',
 		action: () => {
 			alert('TODO');
 		},
diff --git a/packages/client/src/pages/admin/integrations.vue b/packages/client/src/pages/admin/integrations.vue
index d02fc48076..9964426a68 100644
--- a/packages/client/src/pages/admin/integrations.vue
+++ b/packages/client/src/pages/admin/integrations.vue
@@ -52,6 +52,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.integration,
-	icon: 'ti ti-share',
+	icon: 'fas fa-share-alt',
 });
 </script>
diff --git a/packages/client/src/pages/admin/object-storage.vue b/packages/client/src/pages/admin/object-storage.vue
index dded7aaf71..5cc3018532 100644
--- a/packages/client/src/pages/admin/object-storage.vue
+++ b/packages/client/src/pages/admin/object-storage.vue
@@ -134,7 +134,7 @@ function save() {
 
 const headerActions = $computed(() => [{
 	asFullButton: true,
-	icon: 'ti ti-check',
+	icon: 'fas fa-check',
 	text: i18n.ts.save,
 	handler: save,
 }]);
@@ -143,6 +143,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.objectStorage,
-	icon: 'ti ti-cloud',
+	icon: 'fas fa-cloud',
 });
 </script>
diff --git a/packages/client/src/pages/admin/other-settings.vue b/packages/client/src/pages/admin/other-settings.vue
index 62dff6ce7f..ee4e8edba0 100644
--- a/packages/client/src/pages/admin/other-settings.vue
+++ b/packages/client/src/pages/admin/other-settings.vue
@@ -30,7 +30,7 @@ function save() {
 
 const headerActions = $computed(() => [{
 	asFullButton: true,
-	icon: 'ti ti-check',
+	icon: 'fas fa-check',
 	text: i18n.ts.save,
 	handler: save,
 }]);
@@ -39,6 +39,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.other,
-	icon: 'ti ti-adjustments',
+	icon: 'fas fa-cogs',
 });
 </script>
diff --git a/packages/client/src/pages/admin/relays.vue b/packages/client/src/pages/admin/relays.vue
index 7f9e0c108e..e6f7f4ead1 100644
--- a/packages/client/src/pages/admin/relays.vue
+++ b/packages/client/src/pages/admin/relays.vue
@@ -5,12 +5,12 @@
 		<div v-for="relay in relays" :key="relay.inbox" class="relaycxt _panel _block" style="padding: 16px;">
 			<div>{{ relay.inbox }}</div>
 			<div class="status">
-				<i v-if="relay.status === 'accepted'" class="ti ti-check icon accepted"></i>
+				<i v-if="relay.status === 'accepted'" class="fas fa-check icon accepted"></i>
 				<i v-else-if="relay.status === 'rejected'" class="fas fa-ban icon rejected"></i>
 				<i v-else class="fas fa-clock icon requesting"></i>
 				<span>{{ $t(`_relayStatus.${relay.status}`) }}</span>
 			</div>
-			<MkButton class="button" inline danger @click="remove(relay.inbox)"><i class="ti ti-trash"></i> {{ i18n.ts.remove }}</MkButton>
+			<MkButton class="button" inline danger @click="remove(relay.inbox)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
 		</div>
 	</MkSpacer>
 </MkStickyContainer>
@@ -68,7 +68,7 @@ refresh();
 
 const headerActions = $computed(() => [{
 	asFullButton: true,
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.addRelay,
 	handler: addRelay,
 }]);
@@ -77,7 +77,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.relays,
-	icon: 'ti ti-world',
+	icon: 'fas fa-globe',
 });
 </script>
 
diff --git a/packages/client/src/pages/admin/security.vue b/packages/client/src/pages/admin/security.vue
index 5594c479ff..65d079c2cf 100644
--- a/packages/client/src/pages/admin/security.vue
+++ b/packages/client/src/pages/admin/security.vue
@@ -88,7 +88,7 @@
 
 					<div class="_formRoot">
 						<FormInput v-model="summalyProxy" class="_formBlock">
-							<template #prefix><i class="ti ti-link"></i></template>
+							<template #prefix><i class="fas fa-link"></i></template>
 							<template #label>Summaly Proxy URL</template>
 						</FormInput>
 
diff --git a/packages/client/src/pages/admin/settings.vue b/packages/client/src/pages/admin/settings.vue
index fe3994b030..cf6b1f17e9 100644
--- a/packages/client/src/pages/admin/settings.vue
+++ b/packages/client/src/pages/admin/settings.vue
@@ -14,7 +14,7 @@
 					</FormTextarea>
 
 					<FormInput v-model="tosUrl" class="_formBlock">
-						<template #prefix><i class="ti ti-link"></i></template>
+						<template #prefix><i class="fas fa-link"></i></template>
 						<template #label>{{ i18n.ts.tosUrl }}</template>
 					</FormInput>
 
@@ -54,17 +54,17 @@
 						<template #label>{{ i18n.ts.theme }}</template>
 
 						<FormInput v-model="iconUrl" class="_formBlock">
-							<template #prefix><i class="ti ti-link"></i></template>
+							<template #prefix><i class="fas fa-link"></i></template>
 							<template #label>{{ i18n.ts.iconUrl }}</template>
 						</FormInput>
 
 						<FormInput v-model="bannerUrl" class="_formBlock">
-							<template #prefix><i class="ti ti-link"></i></template>
+							<template #prefix><i class="fas fa-link"></i></template>
 							<template #label>{{ i18n.ts.bannerUrl }}</template>
 						</FormInput>
 
 						<FormInput v-model="backgroundImageUrl" class="_formBlock">
-							<template #prefix><i class="ti ti-link"></i></template>
+							<template #prefix><i class="fas fa-link"></i></template>
 							<template #label>{{ i18n.ts.backgroundImageUrl }}</template>
 						</FormInput>
 
@@ -248,7 +248,7 @@ function save() {
 
 const headerActions = $computed(() => [{
 	asFullButton: true,
-	icon: 'ti ti-check',
+	icon: 'fas fa-check',
 	text: i18n.ts.save,
 	handler: save,
 }]);
@@ -257,6 +257,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.general,
-	icon: 'ti ti-settings',
+	icon: 'fas fa-cog',
 });
 </script>
diff --git a/packages/client/src/pages/admin/users.vue b/packages/client/src/pages/admin/users.vue
index e2ba8ac494..eeb335a430 100644
--- a/packages/client/src/pages/admin/users.vue
+++ b/packages/client/src/pages/admin/users.vue
@@ -115,17 +115,17 @@ function show(user) {
 }
 
 const headerActions = $computed(() => [{
-	icon: 'ti ti-search',
+	icon: 'fas fa-search',
 	text: i18n.ts.search,
 	handler: searchUser,
 }, {
 	asFullButton: true,
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.addUser,
 	handler: addUser,
 }, {
 	asFullButton: true,
-	icon: 'ti ti-search',
+	icon: 'fas fa-search',
 	text: i18n.ts.lookup,
 	handler: lookupUser,
 }]);
diff --git a/packages/client/src/pages/announcements.vue b/packages/client/src/pages/announcements.vue
index f2b07c1d12..5f66596997 100644
--- a/packages/client/src/pages/announcements.vue
+++ b/packages/client/src/pages/announcements.vue
@@ -10,7 +10,7 @@
 					<img v-if="announcement.imageUrl" :src="announcement.imageUrl"/>
 				</div>
 				<div v-if="$i && !announcement.isRead" class="_footer">
-					<MkButton primary @click="read(items, announcement, i)"><i class="ti ti-check"></i> {{ $ts.gotIt }}</MkButton>
+					<MkButton primary @click="read(items, announcement, i)"><i class="fas fa-check"></i> {{ $ts.gotIt }}</MkButton>
 				</div>
 			</section>
 		</MkPagination>
diff --git a/packages/client/src/pages/antenna-timeline.vue b/packages/client/src/pages/antenna-timeline.vue
index 7624c56aea..500cb3a7c5 100644
--- a/packages/client/src/pages/antenna-timeline.vue
+++ b/packages/client/src/pages/antenna-timeline.vue
@@ -76,7 +76,7 @@ const headerActions = $computed(() => antenna ? [{
 	text: i18n.ts.jumpToSpecifiedDate,
 	handler: timetravel,
 }, {
-	icon: 'ti ti-settings',
+	icon: 'fas fa-cog',
 	text: i18n.ts.settings,
 	handler: settings,
 }] : []);
diff --git a/packages/client/src/pages/api-console.vue b/packages/client/src/pages/api-console.vue
index da694e103f..0064e4c3f1 100644
--- a/packages/client/src/pages/api-console.vue
+++ b/packages/client/src/pages/api-console.vue
@@ -15,7 +15,7 @@
 				</MkSwitch>
 				<MkButton class="_formBlock" primary :disabled="sending" @click="send">
 					<template v-if="sending"><MkEllipsis/></template>
-					<template v-else><i class="ti ti-send"></i> Send</template>
+					<template v-else><i class="fas fa-paper-plane"></i> Send</template>
 				</MkButton>
 			</div>
 			<div v-if="res" class="_formBlock">
diff --git a/packages/client/src/pages/channel-editor.vue b/packages/client/src/pages/channel-editor.vue
index 5d5aa2f9e9..3e94b5f041 100644
--- a/packages/client/src/pages/channel-editor.vue
+++ b/packages/client/src/pages/channel-editor.vue
@@ -12,10 +12,10 @@
 			</MkTextarea>
 
 			<div class="banner">
-				<MkButton v-if="bannerId == null" @click="setBannerImage"><i class="ti ti-plus"></i> {{ i18n.ts._channel.setBanner }}</MkButton>
+				<MkButton v-if="bannerId == null" @click="setBannerImage"><i class="fas fa-plus"></i> {{ i18n.ts._channel.setBanner }}</MkButton>
 				<div v-else-if="bannerUrl">
 					<img :src="bannerUrl" style="width: 100%;"/>
-					<MkButton @click="removeBannerImage()"><i class="ti ti-trash"></i> {{ i18n.ts._channel.removeBanner }}</MkButton>
+					<MkButton @click="removeBannerImage()"><i class="fas fa-trash-alt"></i> {{ i18n.ts._channel.removeBanner }}</MkButton>
 				</div>
 			</div>
 			<div class="_formBlock">
diff --git a/packages/client/src/pages/channel.vue b/packages/client/src/pages/channel.vue
index 4629547554..380c3efc8e 100644
--- a/packages/client/src/pages/channel.vue
+++ b/packages/client/src/pages/channel.vue
@@ -70,7 +70,7 @@ function edit() {
 }
 
 const headerActions = $computed(() => channel && channel.userId ? [{
-	icon: 'ti ti-settings',
+	icon: 'fas fa-cog',
 	text: i18n.ts.edit,
 	handler: edit,
 }] : null);
diff --git a/packages/client/src/pages/channels.vue b/packages/client/src/pages/channels.vue
index 8f67e454f0..56ea98d15e 100644
--- a/packages/client/src/pages/channels.vue
+++ b/packages/client/src/pages/channels.vue
@@ -13,7 +13,7 @@
 			</MkPagination>
 		</div>
 		<div v-else-if="tab === 'owned'" class="_content grwlizim owned">
-			<MkButton class="new" @click="create()"><i class="ti ti-plus"></i></MkButton>
+			<MkButton class="new" @click="create()"><i class="fas fa-plus"></i></MkButton>
 			<MkPagination v-slot="{items}" :pagination="ownedPagination">
 				<MkChannelPreview v-for="channel in items" :key="channel.id" class="_gap" :channel="channel"/>
 			</MkPagination>
@@ -53,7 +53,7 @@ function create() {
 }
 
 const headerActions = $computed(() => [{
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.create,
 	handler: create,
 }]);
diff --git a/packages/client/src/pages/clip.vue b/packages/client/src/pages/clip.vue
index b39a766f93..5b56651bdd 100644
--- a/packages/client/src/pages/clip.vue
+++ b/packages/client/src/pages/clip.vue
@@ -83,7 +83,7 @@ const headerActions = $computed(() => clip && isOwned ? [{
 		});
 	},
 }, {
-	icon: 'ti ti-trash',
+	icon: 'fas fa-trash-alt',
 	text: i18n.ts.delete,
 	danger: true,
 	handler: async (): Promise<void> => {
@@ -101,7 +101,7 @@ const headerActions = $computed(() => clip && isOwned ? [{
 
 definePageMetadata(computed(() => clip ? {
 	title: clip.name,
-	icon: 'ti ti-paperclip',
+	icon: 'fas fa-paperclip',
 } : null));
 </script>
 
diff --git a/packages/client/src/pages/drive.vue b/packages/client/src/pages/drive.vue
index 04ade5c207..088f0eacdc 100644
--- a/packages/client/src/pages/drive.vue
+++ b/packages/client/src/pages/drive.vue
@@ -19,7 +19,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata(computed(() => ({
 	title: folder ? folder.name : i18n.ts.drive,
-	icon: 'ti ti-cloud',
+	icon: 'fas fa-cloud',
 	hideHeader: true,
 })));
 </script>
diff --git a/packages/client/src/pages/emojis.emoji.vue b/packages/client/src/pages/emojis.emoji.vue
index 04bf4ef167..b2801694db 100644
--- a/packages/client/src/pages/emojis.emoji.vue
+++ b/packages/client/src/pages/emojis.emoji.vue
@@ -24,7 +24,7 @@ function menu(ev) {
 		text: ':' + props.emoji.name + ':',
 	}, {
 		text: i18n.ts.copy,
-		icon: 'ti ti-copy',
+		icon: 'fas fa-copy',
 		action: () => {
 			copyToClipboard(`:${props.emoji.name}:`);
 			os.success();
diff --git a/packages/client/src/pages/explore.users.vue b/packages/client/src/pages/explore.users.vue
index 4f4f8eb12c..e16e40b8ed 100644
--- a/packages/client/src/pages/explore.users.vue
+++ b/packages/client/src/pages/explore.users.vue
@@ -19,14 +19,14 @@
 				<XUserList :pagination="recentlyUpdatedUsers"/>
 			</MkFolder>
 			<MkFolder class="_gap" persist-key="explore-recently-registered-users">
-				<template #header><i class="ti ti-plus fa-fw" style="margin-right: 0.5em;"></i>{{ i18n.ts.recentlyRegisteredUsers }}</template>
+				<template #header><i class="fas fa-plus fa-fw" style="margin-right: 0.5em;"></i>{{ i18n.ts.recentlyRegisteredUsers }}</template>
 				<XUserList :pagination="recentlyRegisteredUsers"/>
 			</MkFolder>
 		</template>
 	</div>
 	<div v-else>
 		<MkFolder ref="tagsEl" :foldable="true" :expanded="false" class="_gap">
-			<template #header><i class="ti ti-hash fa-fw" style="margin-right: 0.5em;"></i>{{ i18n.ts.popularTags }}</template>
+			<template #header><i class="fas fa-hashtag fa-fw" style="margin-right: 0.5em;"></i>{{ i18n.ts.popularTags }}</template>
 
 			<div class="vxjfqztj">
 				<MkA v-for="tag in tagsLocal" :key="'local:' + tag.tag" :to="`/explore/tags/${tag.tag}`" class="local">{{ tag.tag }}</MkA>
@@ -35,7 +35,7 @@
 		</MkFolder>
 
 		<MkFolder v-if="tag != null" :key="`${tag}`" class="_gap">
-			<template #header><i class="ti ti-hash fa-fw" style="margin-right: 0.5em;"></i>{{ tag }}</template>
+			<template #header><i class="fas fa-hashtag fa-fw" style="margin-right: 0.5em;"></i>{{ tag }}</template>
 			<XUserList :pagination="tagUsers"/>
 		</MkFolder>
 
diff --git a/packages/client/src/pages/explore.vue b/packages/client/src/pages/explore.vue
index 7e4f80dcbe..279960d139 100644
--- a/packages/client/src/pages/explore.vue
+++ b/packages/client/src/pages/explore.vue
@@ -12,7 +12,7 @@
 			<MkSpacer :content-max="1200">
 				<div>
 					<MkInput v-model="searchQuery" :debounce="true" type="search" class="_formBlock">
-						<template #prefix><i class="ti ti-search"></i></template>
+						<template #prefix><i class="fas fa-search"></i></template>
 						<template #label>{{ i18n.ts.searchUser }}</template>
 					</MkInput>
 					<MkRadios v-model="searchOrigin" class="_formBlock">
@@ -82,6 +82,6 @@ const headerTabs = $computed(() => [{
 
 definePageMetadata(computed(() => ({
 	title: i18n.ts.explore,
-	icon: 'ti ti-hash',
+	icon: 'fas fa-hashtag',
 })));
 </script>
diff --git a/packages/client/src/pages/favorites.vue b/packages/client/src/pages/favorites.vue
index ab47efec71..32a1dbf592 100644
--- a/packages/client/src/pages/favorites.vue
+++ b/packages/client/src/pages/favorites.vue
@@ -37,7 +37,7 @@ const pagingComponent = ref<InstanceType<typeof MkPagination>>();
 
 definePageMetadata({
 	title: i18n.ts.favorites,
-	icon: 'ti ti-star',
+	icon: 'fas fa-star',
 });
 </script>
 
diff --git a/packages/client/src/pages/follow-requests.vue b/packages/client/src/pages/follow-requests.vue
index c14131c4c8..82d7164260 100644
--- a/packages/client/src/pages/follow-requests.vue
+++ b/packages/client/src/pages/follow-requests.vue
@@ -22,7 +22,7 @@
 								<Mfm :text="req.follower.description" :is-note="false" :author="req.follower" :i="$i" :custom-emojis="req.follower.emojis" :plain="true" :nowrap="true"/>
 							</div>
 							<div class="actions">
-								<button class="_button" @click="accept(req.follower)"><i class="ti ti-check"></i></button>
+								<button class="_button" @click="accept(req.follower)"><i class="fas fa-check"></i></button>
 								<button class="_button" @click="reject(req.follower)"><i class="fas fa-times"></i></button>
 							</div>
 						</div>
diff --git a/packages/client/src/pages/gallery/edit.vue b/packages/client/src/pages/gallery/edit.vue
index 7e98f751f2..8f716d9eb3 100644
--- a/packages/client/src/pages/gallery/edit.vue
+++ b/packages/client/src/pages/gallery/edit.vue
@@ -16,7 +16,7 @@
 					<div class="name">{{ file.name }}</div>
 					<button v-tooltip="i18n.ts.remove" class="remove _button" @click="remove(file)"><i class="fas fa-times"></i></button>
 				</div>
-				<FormButton primary @click="selectFile"><i class="ti ti-plus"></i> {{ i18n.ts.attachFile }}</FormButton>
+				<FormButton primary @click="selectFile"><i class="fas fa-plus"></i> {{ i18n.ts.attachFile }}</FormButton>
 			</div>
 
 			<FormSwitch v-model="isSensitive">{{ i18n.ts.markAsSensitive }}</FormSwitch>
@@ -24,7 +24,7 @@
 			<FormButton v-if="postId" primary @click="save"><i class="fas fa-save"></i> {{ i18n.ts.save }}</FormButton>
 			<FormButton v-else primary @click="save"><i class="fas fa-save"></i> {{ i18n.ts.publish }}</FormButton>
 
-			<FormButton v-if="postId" danger @click="del"><i class="ti ti-trash"></i> {{ i18n.ts.delete }}</FormButton>
+			<FormButton v-if="postId" danger @click="del"><i class="fas fa-trash-alt"></i> {{ i18n.ts.delete }}</FormButton>
 		</FormSuspense>
 	</MkSpacer>
 </MkStickyContainer>
diff --git a/packages/client/src/pages/gallery/index.vue b/packages/client/src/pages/gallery/index.vue
index 5bf13cd474..598383217e 100644
--- a/packages/client/src/pages/gallery/index.vue
+++ b/packages/client/src/pages/gallery/index.vue
@@ -29,7 +29,7 @@
 				</MkPagination>
 			</div>
 			<div v-else-if="tab === 'my'">
-				<MkA to="/gallery/new" class="_link" style="margin: 16px;"><i class="ti ti-plus"></i> {{ i18n.ts.postToGallery }}</MkA>
+				<MkA to="/gallery/new" class="_link" style="margin: 16px;"><i class="fas fa-plus"></i> {{ i18n.ts.postToGallery }}</MkA>
 				<MkPagination v-slot="{items}" :pagination="myPostsPagination">
 					<div class="vfpdbgtk">
 						<MkGalleryPostPreview v-for="post in items" :key="post.id" :post="post" class="post"/>
@@ -98,7 +98,7 @@ watch(() => props.tag, () => {
 });
 
 const headerActions = $computed(() => [{
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.create,
 	handler: () => {
 		router.push('/gallery/new');
diff --git a/packages/client/src/pages/gallery/post.vue b/packages/client/src/pages/gallery/post.vue
index 0867ea04e7..3804bcdcf5 100644
--- a/packages/client/src/pages/gallery/post.vue
+++ b/packages/client/src/pages/gallery/post.vue
@@ -23,8 +23,8 @@
 							</div>
 							<div class="other">
 								<button v-if="$i && $i.id === post.user.id" v-tooltip="i18n.ts.edit" v-click-anime class="_button" @click="edit"><i class="fas fa-pencil-alt fa-fw"></i></button>
-								<button v-tooltip="i18n.ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="ti ti-repeat fa-fw"></i></button>
-								<button v-tooltip="i18n.ts.share" v-click-anime class="_button" @click="share"><i class="ti ti-share fa-fw"></i></button>
+								<button v-tooltip="i18n.ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="fas fa-retweet fa-fw"></i></button>
+								<button v-tooltip="i18n.ts.share" v-click-anime class="_button" @click="share"><i class="fas fa-share-alt fa-fw"></i></button>
 							</div>
 						</div>
 						<div class="user">
diff --git a/packages/client/src/pages/instance-info.vue b/packages/client/src/pages/instance-info.vue
index 01a89b9731..6e13da0d68 100644
--- a/packages/client/src/pages/instance-info.vue
+++ b/packages/client/src/pages/instance-info.vue
@@ -195,7 +195,7 @@ fetch();
 
 const headerActions = $computed(() => [{
 	text: `https://${props.host}`,
-	icon: 'ti ti-external-link',
+	icon: 'fas fa-external-link-alt',
 	handler: () => {
 		window.open(`https://${props.host}`, '_blank');
 	},
diff --git a/packages/client/src/pages/messaging/index.vue b/packages/client/src/pages/messaging/index.vue
index e05fa1785f..56d852fe3d 100644
--- a/packages/client/src/pages/messaging/index.vue
+++ b/packages/client/src/pages/messaging/index.vue
@@ -3,7 +3,7 @@
 	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
 	<MkSpacer :content-max="800">
 		<div v-size="{ max: [400] }" class="yweeujhr">
-			<MkButton primary class="start" @click="start"><i class="ti ti-plus"></i> {{ $ts.startMessaging }}</MkButton>
+			<MkButton primary class="start" @click="start"><i class="fas fa-plus"></i> {{ $ts.startMessaging }}</MkButton>
 
 			<div v-if="messages.length > 0" class="history">
 				<MkA
@@ -158,7 +158,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.messaging,
-	icon: 'ti ti-messages',
+	icon: 'fas fa-comments',
 });
 </script>
 
diff --git a/packages/client/src/pages/messaging/messaging-room.form.vue b/packages/client/src/pages/messaging/messaging-room.form.vue
index ba377b85d1..4589069df0 100644
--- a/packages/client/src/pages/messaging/messaging-room.form.vue
+++ b/packages/client/src/pages/messaging/messaging-room.form.vue
@@ -18,7 +18,7 @@
 			<button class="_button" @click="chooseFile"><i class="fas fa-photo-video"></i></button>
 			<button class="_button" @click="insertEmoji"><i class="fas fa-laugh-squint"></i></button>
 			<button class="send _button" :disabled="!canSend || sending" :title="i18n.ts.send" @click="send">
-				<template v-if="!sending"><i class="ti ti-send"></i></template><template v-if="sending"><i class="fas fa-spinner fa-pulse fa-fw"></i></template>
+				<template v-if="!sending"><i class="fas fa-paper-plane"></i></template><template v-if="sending"><i class="fas fa-spinner fa-pulse fa-fw"></i></template>
 			</button>
 		</div>
 	</footer>
diff --git a/packages/client/src/pages/my-antennas/index.vue b/packages/client/src/pages/my-antennas/index.vue
index 71de574a15..dc73ba674e 100644
--- a/packages/client/src/pages/my-antennas/index.vue
+++ b/packages/client/src/pages/my-antennas/index.vue
@@ -2,7 +2,7 @@
 	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
 		<MkSpacer :content-max="700">
 	<div class="ieepwinx">
-		<MkButton :link="true" to="/my/antennas/create" primary class="add"><i class="ti ti-plus"></i> {{ i18n.ts.add }}</MkButton>
+		<MkButton :link="true" to="/my/antennas/create" primary class="add"><i class="fas fa-plus"></i> {{ i18n.ts.add }}</MkButton>
 
 		<div class="">
 			<MkPagination v-slot="{items}" ref="list" :pagination="pagination">
diff --git a/packages/client/src/pages/my-clips/index.vue b/packages/client/src/pages/my-clips/index.vue
index dd6b5b3a37..68330d6db4 100644
--- a/packages/client/src/pages/my-clips/index.vue
+++ b/packages/client/src/pages/my-clips/index.vue
@@ -3,7 +3,7 @@
 	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
 	<MkSpacer :content-max="700">
 		<div class="qtcaoidl">
-			<MkButton primary class="add" @click="create"><i class="ti ti-plus"></i> {{ i18n.ts.add }}</MkButton>
+			<MkButton primary class="add" @click="create"><i class="fas fa-plus"></i> {{ i18n.ts.add }}</MkButton>
 
 			<MkPagination v-slot="{items}" ref="pagingComponent" :pagination="pagination" class="list">
 				<MkA v-for="item in items" :key="item.id" :to="`/clips/${item.id}`" class="item _panel _gap">
@@ -70,9 +70,9 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.clip,
-	icon: 'ti ti-paperclip',
+	icon: 'fas fa-paperclip',
 	action: {
-		icon: 'ti ti-plus',
+		icon: 'fas fa-plus',
 		handler: create,
 	},
 });
diff --git a/packages/client/src/pages/my-lists/index.vue b/packages/client/src/pages/my-lists/index.vue
index 0ecd594e68..9af7c0d105 100644
--- a/packages/client/src/pages/my-lists/index.vue
+++ b/packages/client/src/pages/my-lists/index.vue
@@ -3,7 +3,7 @@
 	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
 	<MkSpacer :content-max="700">
 		<div class="qkcjvfiv">
-			<MkButton primary class="add" @click="create"><i class="ti ti-plus"></i> {{ i18n.ts.createList }}</MkButton>
+			<MkButton primary class="add" @click="create"><i class="fas fa-plus"></i> {{ i18n.ts.createList }}</MkButton>
 
 			<MkPagination v-slot="{items}" ref="pagingComponent" :pagination="pagination" class="lists _content">
 				<MkA v-for="list in items" :key="list.id" class="list _panel" :to="`/my/lists/${ list.id }`">
@@ -49,7 +49,7 @@ definePageMetadata({
 	title: i18n.ts.manageLists,
 	icon: 'fas fa-list-ul',
 	action: {
-		icon: 'ti ti-plus',
+		icon: 'fas fa-plus',
 		handler: create,
 	},
 });
diff --git a/packages/client/src/pages/notifications.vue b/packages/client/src/pages/notifications.vue
index 01257f63d6..dd57060fda 100644
--- a/packages/client/src/pages/notifications.vue
+++ b/packages/client/src/pages/notifications.vue
@@ -66,7 +66,7 @@ const headerActions = $computed(() => [tab === 'all' ? {
 	handler: setFilter,
 } : undefined, tab === 'all' ? {
 	text: i18n.ts.markAllAsRead,
-	icon: 'ti ti-check',
+	icon: 'fas fa-check',
 	handler: () => {
 		os.apiWithDialog('notifications/mark-all-as-read');
 	},
@@ -90,6 +90,6 @@ const headerTabs = $computed(() => [{
 
 definePageMetadata(computed(() => ({
 	title: i18n.ts.notifications,
-	icon: 'ti ti-bell',
+	icon: 'fas fa-bell',
 })));
 </script>
diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.if.vue b/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
index c93caeb9bd..d763070b15 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
@@ -4,7 +4,7 @@
 	<template #header><i class="fas fa-question"></i> {{ $ts._pages.blocks.if }}</template>
 	<template #func>
 		<button class="_button" @click="add()">
-			<i class="ti ti-plus"></i>
+			<i class="fas fa-plus"></i>
 		</button>
 	</template>
 
diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.post.vue b/packages/client/src/pages/page-editor/els/page-editor.el.post.vue
index 39be01ab32..f8c42c296b 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.post.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.post.vue
@@ -1,7 +1,7 @@
 <template>
 <!-- eslint-disable vue/no-mutating-props -->
 <XContainer :draggable="true" @remove="() => $emit('remove')">
-	<template #header><i class="ti ti-send"></i> {{ $ts._pages.blocks.post }}</template>
+	<template #header><i class="fas fa-paper-plane"></i> {{ $ts._pages.blocks.post }}</template>
 
 	<section style="padding: 16px;">
 		<MkTextarea v-model="value.text"><template #label>{{ $ts._pages.blocks._post.text }}</template></MkTextarea>
diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.section.vue b/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
index e46bd77ccd..7276cc1e1b 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
@@ -7,7 +7,7 @@
 			<i class="fas fa-pencil-alt"></i>
 		</button>
 		<button class="_button" @click="add()">
-			<i class="ti ti-plus"></i>
+			<i class="fas fa-plus"></i>
 		</button>
 	</template>
 
diff --git a/packages/client/src/pages/page-editor/page-editor.container.vue b/packages/client/src/pages/page-editor/page-editor.container.vue
index 49ba2c7c00..6927e55868 100644
--- a/packages/client/src/pages/page-editor/page-editor.container.vue
+++ b/packages/client/src/pages/page-editor/page-editor.container.vue
@@ -5,7 +5,7 @@
 		<div class="buttons">
 			<slot name="func"></slot>
 			<button v-if="removable" class="_button" @click="remove()">
-				<i class="ti ti-trash"></i>
+				<i class="fas fa-trash-alt"></i>
 			</button>
 			<button v-if="draggable" class="drag-handle _button">
 				<i class="fas fa-bars"></i>
diff --git a/packages/client/src/pages/page-editor/page-editor.vue b/packages/client/src/pages/page-editor/page-editor.vue
index de186f6d6f..591d13053a 100644
--- a/packages/client/src/pages/page-editor/page-editor.vue
+++ b/packages/client/src/pages/page-editor/page-editor.vue
@@ -5,8 +5,8 @@
 		<div class="jqqmcavi">
 			<MkButton v-if="pageId" class="button" inline link :to="`/@${ author.username }/pages/${ currentName }`"><i class="fas fa-external-link-square-alt"></i> {{ $ts._pages.viewPage }}</MkButton>
 			<MkButton v-if="!readonly" inline primary class="button" @click="save"><i class="fas fa-save"></i> {{ $ts.save }}</MkButton>
-			<MkButton v-if="pageId" inline class="button" @click="duplicate"><i class="ti ti-copy"></i> {{ $ts.duplicate }}</MkButton>
-			<MkButton v-if="pageId && !readonly" inline class="button" danger @click="del"><i class="ti ti-trash"></i> {{ $ts.delete }}</MkButton>
+			<MkButton v-if="pageId" inline class="button" @click="duplicate"><i class="fas fa-copy"></i> {{ $ts.duplicate }}</MkButton>
+			<MkButton v-if="pageId && !readonly" inline class="button" danger @click="del"><i class="fas fa-trash-alt"></i> {{ $ts.delete }}</MkButton>
 		</div>
 
 		<div v-if="tab === 'settings'">
@@ -35,10 +35,10 @@
 				<MkSwitch v-model="hideTitleWhenPinned" class="_formBlock">{{ $ts._pages.hideTitleWhenPinned }}</MkSwitch>
 
 				<div class="eyeCatch">
-					<MkButton v-if="eyeCatchingImageId == null && !readonly" @click="setEyeCatchingImage"><i class="ti ti-plus"></i> {{ $ts._pages.eyeCatchingImageSet }}</MkButton>
+					<MkButton v-if="eyeCatchingImageId == null && !readonly" @click="setEyeCatchingImage"><i class="fas fa-plus"></i> {{ $ts._pages.eyeCatchingImageSet }}</MkButton>
 					<div v-else-if="eyeCatchingImage">
 						<img :src="eyeCatchingImage.url" :alt="eyeCatchingImage.name" style="max-width: 100%;"/>
-						<MkButton v-if="!readonly" @click="removeEyeCatchingImage()"><i class="ti ti-trash"></i> {{ $ts._pages.eyeCatchingImageRemove }}</MkButton>
+						<MkButton v-if="!readonly" @click="removeEyeCatchingImage()"><i class="fas fa-trash-alt"></i> {{ $ts._pages.eyeCatchingImageRemove }}</MkButton>
 					</div>
 				</div>
 			</div>
@@ -48,7 +48,7 @@
 			<div>
 				<XBlocks v-model="content" class="content" :hpml="hpml"/>
 
-				<MkButton v-if="!readonly" @click="add()"><i class="ti ti-plus"></i></MkButton>
+				<MkButton v-if="!readonly" @click="add()"><i class="fas fa-plus"></i></MkButton>
 			</div>
 		</div>
 
@@ -68,7 +68,7 @@
 					</template>
 				</XDraggable>
 
-				<MkButton v-if="!readonly" class="add" @click="addVariable()"><i class="ti ti-plus"></i></MkButton>
+				<MkButton v-if="!readonly" class="add" @click="addVariable()"><i class="fas fa-plus"></i></MkButton>
 			</div>
 		</div>
 
@@ -412,7 +412,7 @@ const headerActions = $computed(() => []);
 const headerTabs = $computed(() => [{
 	key: 'settings',
 	title: i18n.ts._pages.pageSetting,
-	icon: 'ti ti-settings',
+	icon: 'fas fa-cog',
 }, {
 	key: 'contents',
 	title: i18n.ts._pages.contents,
diff --git a/packages/client/src/pages/page.vue b/packages/client/src/pages/page.vue
index 9584be3782..fb0e6a4914 100644
--- a/packages/client/src/pages/page.vue
+++ b/packages/client/src/pages/page.vue
@@ -22,8 +22,8 @@
 							<MkButton v-else v-tooltip="i18n.ts._pages.like" class="button" @click="like()"><i class="far fa-heart"></i><span v-if="page.likedCount > 0" class="count">{{ page.likedCount }}</span></MkButton>
 						</div>
 						<div class="other">
-							<button v-tooltip="i18n.ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="ti ti-repeat fa-fw"></i></button>
-							<button v-tooltip="i18n.ts.share" v-click-anime class="_button" @click="share"><i class="ti ti-share fa-fw"></i></button>
+							<button v-tooltip="i18n.ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="fas fa-retweet fa-fw"></i></button>
+							<button v-tooltip="i18n.ts.share" v-click-anime class="_button" @click="share"><i class="fas fa-share-alt fa-fw"></i></button>
 						</div>
 					</div>
 					<div class="user">
diff --git a/packages/client/src/pages/pages.vue b/packages/client/src/pages/pages.vue
index 9c226f6627..02b05c57ba 100644
--- a/packages/client/src/pages/pages.vue
+++ b/packages/client/src/pages/pages.vue
@@ -9,7 +9,7 @@
 		</div>
 
 		<div v-else-if="tab === 'my'" class="rknalgpo my">
-			<MkButton class="new" @click="create()"><i class="ti ti-plus"></i></MkButton>
+			<MkButton class="new" @click="create()"><i class="fas fa-plus"></i></MkButton>
 			<MkPagination v-slot="{items}" :pagination="myPagesPagination">
 				<MkPagePreview v-for="page in items" :key="page.id" class="ckltabjg" :page="page"/>
 			</MkPagination>
@@ -55,7 +55,7 @@ function create() {
 }
 
 const headerActions = $computed(() => [{
-	icon: 'ti ti-plus',
+	icon: 'fas fa-plus',
 	text: i18n.ts.create,
 	handler: create,
 }]);
diff --git a/packages/client/src/pages/registry.keys.vue b/packages/client/src/pages/registry.keys.vue
index f179fbe957..ac586b4e72 100644
--- a/packages/client/src/pages/registry.keys.vue
+++ b/packages/client/src/pages/registry.keys.vue
@@ -88,7 +88,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.registry,
-	icon: 'ti ti-adjustments',
+	icon: 'fas fa-cogs',
 });
 </script>
 
diff --git a/packages/client/src/pages/registry.value.vue b/packages/client/src/pages/registry.value.vue
index 5f23e79e1b..b6f3d73bb6 100644
--- a/packages/client/src/pages/registry.value.vue
+++ b/packages/client/src/pages/registry.value.vue
@@ -115,7 +115,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.registry,
-	icon: 'ti ti-adjustments',
+	icon: 'fas fa-cogs',
 });
 </script>
 
diff --git a/packages/client/src/pages/registry.vue b/packages/client/src/pages/registry.vue
index a2c65294fc..80a44d5589 100644
--- a/packages/client/src/pages/registry.vue
+++ b/packages/client/src/pages/registry.vue
@@ -66,7 +66,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.registry,
-	icon: 'ti ti-adjustments',
+	icon: 'fas fa-cogs',
 });
 </script>
 
diff --git a/packages/client/src/pages/search.vue b/packages/client/src/pages/search.vue
index c080b763bb..fdcbb57e44 100644
--- a/packages/client/src/pages/search.vue
+++ b/packages/client/src/pages/search.vue
@@ -33,6 +33,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata(computed(() => ({
 	title: i18n.t('searchWith', { q: props.query }),
-	icon: 'ti ti-search',
+	icon: 'fas fa-search',
 })));
 </script>
diff --git a/packages/client/src/pages/settings/accounts.vue b/packages/client/src/pages/settings/accounts.vue
index 2b10ab0acf..e16931a9ca 100644
--- a/packages/client/src/pages/settings/accounts.vue
+++ b/packages/client/src/pages/settings/accounts.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="_formRoot">
 	<FormSuspense :p="init">
-		<FormButton primary @click="addAccount"><i class="ti ti-plus"></i> {{ i18n.ts.addAccount }}</FormButton>
+		<FormButton primary @click="addAccount"><i class="fas fa-plus"></i> {{ i18n.ts.addAccount }}</FormButton>
 
 		<div v-for="account in accounts" :key="account.id" class="_panel _button lcjjdxlm" @click="menu(account, $event)">
 			<div class="avatar">
@@ -54,7 +54,7 @@ function menu(account, ev) {
 		action: () => switchAccount(account),
 	}, {
 		text: i18n.ts.remove,
-		icon: 'ti ti-trash',
+		icon: 'fas fa-trash-alt',
 		danger: true,
 		action: () => removeAccount(account),
 	}], ev.currentTarget ?? ev.target);
diff --git a/packages/client/src/pages/settings/apps.vue b/packages/client/src/pages/settings/apps.vue
index 77b98a09a5..8b345c8e9f 100644
--- a/packages/client/src/pages/settings/apps.vue
+++ b/packages/client/src/pages/settings/apps.vue
@@ -22,7 +22,7 @@
 						<div><MkTime :time="token.lastUsedAt"/></div>
 					</div>
 					<div class="actions">
-						<button class="_button" @click="revoke(token)"><i class="ti ti-trash"></i></button>
+						<button class="_button" @click="revoke(token)"><i class="fas fa-trash-alt"></i></button>
 					</div>
 					<details>
 						<summary>{{ i18n.ts.details }}</summary>
diff --git a/packages/client/src/pages/settings/drive.vue b/packages/client/src/pages/settings/drive.vue
index ed44509774..a10e2d9f7d 100644
--- a/packages/client/src/pages/settings/drive.vue
+++ b/packages/client/src/pages/settings/drive.vue
@@ -120,7 +120,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.drive,
-	icon: 'ti ti-cloud',
+	icon: 'fas fa-cloud',
 });
 </script>
 
diff --git a/packages/client/src/pages/settings/email.vue b/packages/client/src/pages/settings/email.vue
index 3acaa9a43a..1dae233a07 100644
--- a/packages/client/src/pages/settings/email.vue
+++ b/packages/client/src/pages/settings/email.vue
@@ -5,7 +5,7 @@
 		<FormInput v-model="emailAddress" type="email" manual-save>
 			<template #prefix><i class="fas fa-envelope"></i></template>
 			<template v-if="$i.email && !$i.emailVerified" #caption>{{ i18n.ts.verificationEmailSent }}</template>
-			<template v-else-if="emailAddress === $i.email && $i.emailVerified" #caption><i class="ti ti-check" style="color: var(--success);"></i> {{ i18n.ts.emailVerified }}</template>
+			<template v-else-if="emailAddress === $i.email && $i.emailVerified" #caption><i class="fas fa-check" style="color: var(--success);"></i> {{ i18n.ts.emailVerified }}</template>
 		</FormInput>
 	</FormSection>
 
diff --git a/packages/client/src/pages/settings/general.vue b/packages/client/src/pages/settings/general.vue
index d673a531b6..9072bcefc9 100644
--- a/packages/client/src/pages/settings/general.vue
+++ b/packages/client/src/pages/settings/general.vue
@@ -185,6 +185,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.general,
-	icon: 'ti ti-adjustments',
+	icon: 'fas fa-cogs',
 });
 </script>
diff --git a/packages/client/src/pages/settings/index.vue b/packages/client/src/pages/settings/index.vue
index 2c7b711cd5..c38e1394f0 100644
--- a/packages/client/src/pages/settings/index.vue
+++ b/packages/client/src/pages/settings/index.vue
@@ -36,7 +36,7 @@ import * as os from '@/os';
 
 const indexInfo = {
 	title: i18n.ts.settings,
-	icon: 'ti ti-settings',
+	icon: 'fas fa-cog',
 	hideHeader: true,
 };
 const INFO = ref(indexInfo);
@@ -73,12 +73,12 @@ const menuDef = computed(() => [{
 		to: '/settings/reaction',
 		active: currentPage?.route.name === 'reaction',
 	}, {
-		icon: 'ti ti-cloud',
+		icon: 'fas fa-cloud',
 		text: i18n.ts.drive,
 		to: '/settings/drive',
 		active: currentPage?.route.name === 'drive',
 	}, {
-		icon: 'ti ti-bell',
+		icon: 'fas fa-bell',
 		text: i18n.ts.notifications,
 		to: '/settings/notifications',
 		active: currentPage?.route.name === 'notifications',
@@ -88,7 +88,7 @@ const menuDef = computed(() => [{
 		to: '/settings/email',
 		active: currentPage?.route.name === 'email',
 	}, {
-		icon: 'ti ti-share',
+		icon: 'fas fa-share-alt',
 		text: i18n.ts.integration,
 		to: '/settings/integration',
 		active: currentPage?.route.name === 'integration',
@@ -101,7 +101,7 @@ const menuDef = computed(() => [{
 }, {
 	title: i18n.ts.clientSettings,
 	items: [{
-		icon: 'ti ti-adjustments',
+		icon: 'fas fa-cogs',
 		text: i18n.ts.general,
 		to: '/settings/general',
 		active: currentPage?.route.name === 'general',
@@ -164,7 +164,7 @@ const menuDef = computed(() => [{
 		to: '/settings/webhook',
 		active: currentPage?.route.name === 'webhook',
 	}, {
-		icon: 'ti ti-dots',
+		icon: 'fas fa-ellipsis-h',
 		text: i18n.ts.other,
 		to: '/settings/other',
 		active: currentPage?.route.name === 'other',
diff --git a/packages/client/src/pages/settings/integration.vue b/packages/client/src/pages/settings/integration.vue
index f3595e897b..c8219519f8 100644
--- a/packages/client/src/pages/settings/integration.vue
+++ b/packages/client/src/pages/settings/integration.vue
@@ -94,6 +94,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.integration,
-	icon: 'ti ti-share',
+	icon: 'fas fa-share-alt',
 });
 </script>
diff --git a/packages/client/src/pages/settings/notifications.vue b/packages/client/src/pages/settings/notifications.vue
index e24be99cb6..77ec567da4 100644
--- a/packages/client/src/pages/settings/notifications.vue
+++ b/packages/client/src/pages/settings/notifications.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="_formRoot">
-	<FormLink class="_formBlock" @click="configure"><template #icon><i class="ti ti-settings"></i></template>{{ i18n.ts.notificationSetting }}</FormLink>
+	<FormLink class="_formBlock" @click="configure"><template #icon><i class="fas fa-cog"></i></template>{{ i18n.ts.notificationSetting }}</FormLink>
 	<FormSection>
 		<FormLink class="_formBlock" @click="readAllNotifications">{{ i18n.ts.markAsReadAllNotifications }}</FormLink>
 		<FormLink class="_formBlock" @click="readAllUnreadNotes">{{ i18n.ts.markAsReadAllUnreadNotes }}</FormLink>
@@ -85,6 +85,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.notifications,
-	icon: 'ti ti-bell',
+	icon: 'fas fa-bell',
 });
 </script>
diff --git a/packages/client/src/pages/settings/other.vue b/packages/client/src/pages/settings/other.vue
index 5f64b872e1..51dab04cfa 100644
--- a/packages/client/src/pages/settings/other.vue
+++ b/packages/client/src/pages/settings/other.vue
@@ -10,7 +10,7 @@
 
 	<FormLink to="/settings/account-info" class="_formBlock">{{ i18n.ts.accountInfo }}</FormLink>
 
-	<FormLink to="/registry" class="_formBlock"><template #icon><i class="ti ti-adjustments"></i></template>{{ i18n.ts.registry }}</FormLink>
+	<FormLink to="/registry" class="_formBlock"><template #icon><i class="fas fa-cogs"></i></template>{{ i18n.ts.registry }}</FormLink>
 
 	<FormLink to="/settings/delete-account" class="_formBlock"><template #icon><i class="fas fa-exclamation-triangle"></i></template>{{ i18n.ts.closeAccount }}</FormLink>
 </div>
@@ -42,6 +42,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.other,
-	icon: 'ti ti-dots',
+	icon: 'fas fa-ellipsis-h',
 });
 </script>
diff --git a/packages/client/src/pages/settings/plugin.install.vue b/packages/client/src/pages/settings/plugin.install.vue
index 66549aed55..e259bbeb3a 100644
--- a/packages/client/src/pages/settings/plugin.install.vue
+++ b/packages/client/src/pages/settings/plugin.install.vue
@@ -7,7 +7,7 @@
 	</FormTextarea>
 
 	<div class="_formBlock">
-		<FormButton :disabled="code == null" primary inline @click="install"><i class="ti ti-check"></i> {{ i18n.ts.install }}</FormButton>
+		<FormButton :disabled="code == null" primary inline @click="install"><i class="fas fa-check"></i> {{ i18n.ts.install }}</FormButton>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/pages/settings/plugin.vue b/packages/client/src/pages/settings/plugin.vue
index f458f0404d..8ce6fe4445 100644
--- a/packages/client/src/pages/settings/plugin.vue
+++ b/packages/client/src/pages/settings/plugin.vue
@@ -23,8 +23,8 @@
 			</MkKeyValue>
 
 			<div style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-				<MkButton v-if="plugin.config" inline @click="config(plugin)"><i class="ti ti-settings"></i> {{ i18n.ts.settings }}</MkButton>
-				<MkButton inline danger @click="uninstall(plugin)"><i class="ti ti-trash"></i> {{ i18n.ts.uninstall }}</MkButton>
+				<MkButton v-if="plugin.config" inline @click="config(plugin)"><i class="fas fa-cog"></i> {{ i18n.ts.settings }}</MkButton>
+				<MkButton inline danger @click="uninstall(plugin)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.uninstall }}</MkButton>
 			</div>
 		</div>
 	</FormSection>
diff --git a/packages/client/src/pages/settings/profile.vue b/packages/client/src/pages/settings/profile.vue
index e3b740f46c..aaf60c8d55 100644
--- a/packages/client/src/pages/settings/profile.vue
+++ b/packages/client/src/pages/settings/profile.vue
@@ -46,8 +46,8 @@
 						<template #label>{{ i18n.ts._profile.metadataContent }} #{{ i + 1 }}</template>
 					</FormInput>
 				</FormSplit>
-				<MkButton :disabled="fields.length >= 16" inline style="margin-right: 8px;" @click="addField"><i class="ti ti-plus"></i> {{ i18n.ts.add }}</MkButton>
-				<MkButton inline primary @click="saveFields"><i class="ti ti-check"></i> {{ i18n.ts.save }}</MkButton>
+				<MkButton :disabled="fields.length >= 16" inline style="margin-right: 8px;" @click="addField"><i class="fas fa-plus"></i> {{ i18n.ts.add }}</MkButton>
+				<MkButton inline primary @click="saveFields"><i class="fas fa-check"></i> {{ i18n.ts.save }}</MkButton>
 			</div>
 		</FormFolder>
 		<template #caption>{{ i18n.ts._profile.metadataDescription }}</template>
diff --git a/packages/client/src/pages/settings/reaction.vue b/packages/client/src/pages/settings/reaction.vue
index 3d941f5a53..f8d57cbcd5 100644
--- a/packages/client/src/pages/settings/reaction.vue
+++ b/packages/client/src/pages/settings/reaction.vue
@@ -10,7 +10,7 @@
 					</button>
 				</template>
 				<template #footer>
-					<button class="_button add" @click="chooseEmoji"><i class="ti ti-plus"></i></button>
+					<button class="_button add" @click="chooseEmoji"><i class="fas fa-plus"></i></button>
 				</template>
 			</XDraggable>
 		</div>
diff --git a/packages/client/src/pages/settings/security.vue b/packages/client/src/pages/settings/security.vue
index 32b91a6628..d109a4ba7c 100644
--- a/packages/client/src/pages/settings/security.vue
+++ b/packages/client/src/pages/settings/security.vue
@@ -17,7 +17,7 @@
 				<div>
 					<div v-for="item in items" :key="item.id" v-panel class="timnmucd">
 						<header>
-							<i v-if="item.success" class="ti ti-check icon succ"></i>
+							<i v-if="item.success" class="fas fa-check icon succ"></i>
 							<i v-else class="fas fa-times-circle icon fail"></i>
 							<code class="ip _monospace">{{ item.ip }}</code>
 							<MkTime :time="item.createdAt" class="time"/>
diff --git a/packages/client/src/pages/settings/theme.install.vue b/packages/client/src/pages/settings/theme.install.vue
index 2ed144dca3..34f8384d87 100644
--- a/packages/client/src/pages/settings/theme.install.vue
+++ b/packages/client/src/pages/settings/theme.install.vue
@@ -6,7 +6,7 @@
 
 	<div class="_formBlock" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
 		<FormButton :disabled="installThemeCode == null" inline @click="() => preview(installThemeCode)"><i class="fas fa-eye"></i> {{ i18n.ts.preview }}</FormButton>
-		<FormButton :disabled="installThemeCode == null" primary inline @click="() => install(installThemeCode)"><i class="ti ti-check"></i> {{ i18n.ts.install }}</FormButton>
+		<FormButton :disabled="installThemeCode == null" primary inline @click="() => install(installThemeCode)"><i class="fas fa-check"></i> {{ i18n.ts.install }}</FormButton>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/pages/settings/theme.manage.vue b/packages/client/src/pages/settings/theme.manage.vue
index 5b33b50319..25f92e6ed1 100644
--- a/packages/client/src/pages/settings/theme.manage.vue
+++ b/packages/client/src/pages/settings/theme.manage.vue
@@ -20,7 +20,7 @@
 			<template #label>{{ i18n.ts._theme.code }}</template>
 			<template #caption><button class="_textButton" @click="copyThemeCode()">{{ i18n.ts.copy }}</button></template>
 		</FormTextarea>
-		<FormButton v-if="!builtinThemes.some(t => t.id == selectedTheme.id)" class="_formBlock" danger @click="uninstall()"><i class="ti ti-trash"></i> {{ i18n.ts.uninstall }}</FormButton>
+		<FormButton v-if="!builtinThemes.some(t => t.id == selectedTheme.id)" class="_formBlock" danger @click="uninstall()"><i class="fas fa-trash-alt"></i> {{ i18n.ts.uninstall }}</FormButton>
 	</template>
 </div>
 </template>
diff --git a/packages/client/src/pages/settings/theme.vue b/packages/client/src/pages/settings/theme.vue
index 6d6cc1c345..42a91bcb59 100644
--- a/packages/client/src/pages/settings/theme.vue
+++ b/packages/client/src/pages/settings/theme.vue
@@ -54,7 +54,7 @@
 	<FormSection>
 		<div class="_formLinksGrid">
 			<FormLink to="/settings/theme/manage"><template #icon><i class="fas fa-folder-open"></i></template>{{ i18n.ts._theme.manage }}<template #suffix>{{ themesCount }}</template></FormLink>
-			<FormLink to="https://assets.misskey.io/theme/list" external><template #icon><i class="ti ti-world"></i></template>{{ i18n.ts._theme.explore }}</FormLink>
+			<FormLink to="https://assets.misskey.io/theme/list" external><template #icon><i class="fas fa-globe"></i></template>{{ i18n.ts._theme.explore }}</FormLink>
 			<FormLink to="/settings/theme/install"><template #icon><i class="fas fa-download"></i></template>{{ i18n.ts._theme.install }}</FormLink>
 			<FormLink to="/theme-editor"><template #icon><i class="fas fa-paint-roller"></i></template>{{ i18n.ts._theme.make }}</FormLink>
 		</div>
diff --git a/packages/client/src/pages/settings/webhook.edit.vue b/packages/client/src/pages/settings/webhook.edit.vue
index fe91faa3cf..5d41f3d087 100644
--- a/packages/client/src/pages/settings/webhook.edit.vue
+++ b/packages/client/src/pages/settings/webhook.edit.vue
@@ -28,7 +28,7 @@
 	<FormSwitch v-model="active" class="_formBlock">Active</FormSwitch>
 
 	<div class="_formBlock" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-		<FormButton primary inline @click="save"><i class="ti ti-check"></i> {{ i18n.ts.save }}</FormButton>
+		<FormButton primary inline @click="save"><i class="fas fa-check"></i> {{ i18n.ts.save }}</FormButton>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/pages/settings/webhook.new.vue b/packages/client/src/pages/settings/webhook.new.vue
index b42f283945..fcf1329ff6 100644
--- a/packages/client/src/pages/settings/webhook.new.vue
+++ b/packages/client/src/pages/settings/webhook.new.vue
@@ -26,7 +26,7 @@
 	</FormSection>
 
 	<div class="_formBlock" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-		<FormButton primary inline @click="create"><i class="ti ti-check"></i> {{ i18n.ts.create }}</FormButton>
+		<FormButton primary inline @click="create"><i class="fas fa-check"></i> {{ i18n.ts.create }}</FormButton>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/pages/settings/webhook.vue b/packages/client/src/pages/settings/webhook.vue
index d3ad475cd8..1a7e73940c 100644
--- a/packages/client/src/pages/settings/webhook.vue
+++ b/packages/client/src/pages/settings/webhook.vue
@@ -13,7 +13,7 @@
 					<template #icon>
 						<i v-if="webhook.active === false" class="fas fa-circle-pause"></i>
 						<i v-else-if="webhook.latestStatus === null" class="far fa-circle"></i>
-						<i v-else-if="[200, 201, 204].includes(webhook.latestStatus)" class="ti ti-check" :style="{ color: 'var(--success)' }"></i>
+						<i v-else-if="[200, 201, 204].includes(webhook.latestStatus)" class="fas fa-check" :style="{ color: 'var(--success)' }"></i>
 						<i v-else class="fas fa-triangle-exclamation" :style="{ color: 'var(--error)' }"></i>
 					</template>
 					{{ webhook.name || webhook.url }}
diff --git a/packages/client/src/pages/share.vue b/packages/client/src/pages/share.vue
index a7e797eeab..69d22ed632 100644
--- a/packages/client/src/pages/share.vue
+++ b/packages/client/src/pages/share.vue
@@ -158,7 +158,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.share,
-	icon: 'ti ti-share',
+	icon: 'fas fa-share-alt',
 });
 </script>
 
diff --git a/packages/client/src/pages/tag.vue b/packages/client/src/pages/tag.vue
index 72775ed5c9..5498c2999d 100644
--- a/packages/client/src/pages/tag.vue
+++ b/packages/client/src/pages/tag.vue
@@ -30,6 +30,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata(computed(() => ({
 	title: props.tag,
-	icon: 'ti ti-hash',
+	icon: 'fas fa-hashtag',
 })));
 </script>
diff --git a/packages/client/src/pages/theme-editor.vue b/packages/client/src/pages/theme-editor.vue
index f0435427eb..7dfeee16ed 100644
--- a/packages/client/src/pages/theme-editor.vue
+++ b/packages/client/src/pages/theme-editor.vue
@@ -215,7 +215,7 @@ const headerActions = $computed(() => [{
 	handler: showPreview,
 }, {
 	asFullButton: true,
-	icon: 'ti ti-check',
+	icon: 'fas fa-check',
 	text: i18n.ts.saveAs,
 	handler: saveAs,
 }]);
diff --git a/packages/client/src/pages/timeline.tutorial.vue b/packages/client/src/pages/timeline.tutorial.vue
index b1a1af1383..9683cc22a5 100644
--- a/packages/client/src/pages/timeline.tutorial.vue
+++ b/packages/client/src/pages/timeline.tutorial.vue
@@ -71,7 +71,7 @@
 			<MkButton :class="$style.footerItem" :primary="false" @click="tutorial = -1">{{ i18n.ts.noThankYou }}</MkButton>
 		</template>
 		<template v-else>
-			<MkButton :class="$style.footerItem" primary @click="tutorial++"><i class="ti ti-check"></i> {{ i18n.ts.next }}</MkButton>
+			<MkButton :class="$style.footerItem" primary @click="tutorial++"><i class="fas fa-check"></i> {{ i18n.ts.next }}</MkButton>
 		</template>
 	</div>
 </div>
diff --git a/packages/client/src/pages/timeline.vue b/packages/client/src/pages/timeline.vue
index 8c2dc92ccd..9d42997025 100644
--- a/packages/client/src/pages/timeline.vue
+++ b/packages/client/src/pages/timeline.vue
@@ -114,22 +114,22 @@ const headerActions = $computed(() => []);
 const headerTabs = $computed(() => [{
 	key: 'home',
 	title: i18n.ts._timelines.home,
-	icon: 'ti ti-home-2',
+	icon: 'fas fa-home',
 	iconOnly: true,
 }, ...(isLocalTimelineAvailable ? [{
 	key: 'local',
 	title: i18n.ts._timelines.local,
-	icon: 'ti ti-messages',
+	icon: 'fas fa-comments',
 	iconOnly: true,
 }, {
 	key: 'social',
 	title: i18n.ts._timelines.social,
-	icon: 'ti ti-share',
+	icon: 'fas fa-share-alt',
 	iconOnly: true,
 }] : []), ...(isGlobalTimelineAvailable ? [{
 	key: 'global',
 	title: i18n.ts._timelines.global,
-	icon: 'ti ti-world',
+	icon: 'fas fa-globe',
 	iconOnly: true,
 }] : []), {
 	icon: 'fas fa-list-ul',
@@ -150,7 +150,7 @@ const headerTabs = $computed(() => [{
 
 definePageMetadata(computed(() => ({
 	title: i18n.ts.timeline,
-	icon: src === 'local' ? 'ti ti-messages' : src === 'social' ? 'ti ti-share' : src === 'global' ? 'ti ti-world' : 'ti ti-home-2',
+	icon: src === 'local' ? 'fas fa-comments' : src === 'social' ? 'fas fa-share-alt' : src === 'global' ? 'fas fa-globe' : 'fas fa-home',
 })));
 </script>
 
diff --git a/packages/client/src/pages/user-list-timeline.vue b/packages/client/src/pages/user-list-timeline.vue
index 773b20d80c..4a534e47ba 100644
--- a/packages/client/src/pages/user-list-timeline.vue
+++ b/packages/client/src/pages/user-list-timeline.vue
@@ -69,7 +69,7 @@ const headerActions = $computed(() => list ? [{
 	text: i18n.ts.jumpToSpecifiedDate,
 	handler: timetravel,
 }, {
-	icon: 'ti ti-settings',
+	icon: 'fas fa-cog',
 	text: i18n.ts.settings,
 	handler: settings,
 }] : []);
diff --git a/packages/client/src/pages/user/home.vue b/packages/client/src/pages/user/home.vue
index 98c7e9d116..352db4616e 100644
--- a/packages/client/src/pages/user/home.vue
+++ b/packages/client/src/pages/user/home.vue
@@ -25,7 +25,7 @@
 						</div>
 						<span v-if="$i && $i.id != user.id && user.isFollowed" class="followed">{{ i18n.ts.followsYou }}</span>
 						<div v-if="$i" class="actions">
-							<button class="menu _button" @click="menu"><i class="ti ti-dots"></i></button>
+							<button class="menu _button" @click="menu"><i class="fas fa-ellipsis-h"></i></button>
 							<MkFollowButton v-if="$i.id != user.id" :user="user" :inline="true" :transparent="false" :full="true" class="koudoku"/>
 						</div>
 					</div>
diff --git a/packages/client/src/pages/user/index.activity.vue b/packages/client/src/pages/user/index.activity.vue
index 7f25176e82..630a2cea7d 100644
--- a/packages/client/src/pages/user/index.activity.vue
+++ b/packages/client/src/pages/user/index.activity.vue
@@ -3,7 +3,7 @@
 	<template #header><i class="fas fa-chart-simple" style="margin-right: 0.5em;"></i>{{ $ts.activity }}</template>
 	<template #func>
 		<button class="_button" @click="showMenu">
-			<i class="ti ti-dots"></i>
+			<i class="fas fa-ellipsis-h"></i>
 		</button>
 	</template>
 
diff --git a/packages/client/src/pages/user/index.vue b/packages/client/src/pages/user/index.vue
index 21f1d25dfd..7e635f8b2e 100644
--- a/packages/client/src/pages/user/index.vue
+++ b/packages/client/src/pages/user/index.vue
@@ -69,7 +69,7 @@ const headerActions = $computed(() => []);
 const headerTabs = $computed(() => user ? [{
 	key: 'home',
 	title: i18n.ts.overview,
-	icon: 'ti ti-home-2',
+	icon: 'fas fa-home',
 }, ...($i && ($i.id === user.id)) || user.publicReactions ? [{
 	key: 'reactions',
 	title: i18n.ts.reaction,
@@ -77,7 +77,7 @@ const headerTabs = $computed(() => user ? [{
 }] : [], {
 	key: 'clips',
 	title: i18n.ts.clips,
-	icon: 'ti ti-paperclip',
+	icon: 'fas fa-paperclip',
 }, {
 	key: 'pages',
 	title: i18n.ts.pages,
diff --git a/packages/client/src/pages/welcome.entrance.a.vue b/packages/client/src/pages/welcome.entrance.a.vue
index 119ba96ec9..827162a0c0 100644
--- a/packages/client/src/pages/welcome.entrance.a.vue
+++ b/packages/client/src/pages/welcome.entrance.a.vue
@@ -15,7 +15,7 @@
 		</div>
 		<div class="main">
 			<img :src="$instance.iconUrl || $instance.faviconUrl || '/favicon.ico'" alt="" class="icon"/>
-			<button class="_button _acrylic menu" @click="showMenu"><i class="ti ti-dots"></i></button>
+			<button class="_button _acrylic menu" @click="showMenu"><i class="fas fa-ellipsis-h"></i></button>
 			<div class="fg">
 				<h1>
 					<!-- 背景色によってはロゴが見えなくなるのでとりあえず無効に -->
diff --git a/packages/client/src/pages/welcome.entrance.c.vue b/packages/client/src/pages/welcome.entrance.c.vue
index 535580e723..a590834a4c 100644
--- a/packages/client/src/pages/welcome.entrance.c.vue
+++ b/packages/client/src/pages/welcome.entrance.c.vue
@@ -41,7 +41,7 @@
 							<template #n><b>{{ onlineUsersCount }}</b></template>
 						</I18n>
 					</div>
-					<button class="_button _acrylic menu" @click="showMenu"><i class="ti ti-dots"></i></button>
+					<button class="_button _acrylic menu" @click="showMenu"><i class="fas fa-ellipsis-h"></i></button>
 				</div>
 			</div>
 			<nav class="nav">
diff --git a/packages/client/src/pages/welcome.timeline.vue b/packages/client/src/pages/welcome.timeline.vue
index f45a15448d..e19ebac3ed 100644
--- a/packages/client/src/pages/welcome.timeline.vue
+++ b/packages/client/src/pages/welcome.timeline.vue
@@ -4,7 +4,7 @@
 		<div v-for="note in notes" class="note">
 			<div class="content _panel">
 				<div class="body">
-					<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
+					<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="fas fa-reply"></i></MkA>
 					<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
 					<MkA v-if="note.renoteId" class="rp" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
 				</div>
diff --git a/packages/client/src/scripts/get-note-menu.ts b/packages/client/src/scripts/get-note-menu.ts
index 18926981bc..4826cd70fd 100644
--- a/packages/client/src/scripts/get-note-menu.ts
+++ b/packages/client/src/scripts/get-note-menu.ts
@@ -93,7 +93,7 @@ export function getNoteMenu(props: {
 	async function clip(): Promise<void> {
 		const clips = await os.api('clips/list');
 		os.popupMenu([{
-			icon: 'ti ti-plus',
+			icon: 'fas fa-plus',
 			text: i18n.ts.createNew,
 			action: async () => {
 				const { canceled, result } = await os.form(i18n.ts.createNewClip, {
@@ -202,15 +202,15 @@ export function getNoteMenu(props: {
 					action: unclip,
 				}, null] : []
 			), {
-				icon: 'ti ti-external-link',
+				icon: 'fas fa-external-link-alt',
 				text: i18n.ts.details,
 				action: notedetails,
 			}, {
-				icon: 'ti ti-copy',
+				icon: 'fas fa-copy',
 				text: i18n.ts.copyContent,
 				action: copyContent,
 			}, {
-				icon: 'ti ti-link',
+				icon: 'fas fa-link',
 				text: i18n.ts.copyLink,
 				action: copyLink,
 			}, (appearNote.url || appearNote.uri) ? {
@@ -221,27 +221,27 @@ export function getNoteMenu(props: {
 				},
 			} : undefined,
 			{
-				icon: 'ti ti-share',
+				icon: 'fas fa-share-alt',
 				text: i18n.ts.share,
 				action: share,
 			},
 			instance.translatorAvailable ? {
-				icon: 'ti ti-language-hiragana',
+				icon: 'fas fa-language',
 				text: i18n.ts.translate,
 				action: translate,
 			} : undefined,
 			null,
 			statePromise.then(state => state.isFavorited ? {
-				icon: 'ti ti-star',
+				icon: 'fas fa-star',
 				text: i18n.ts.unfavorite,
 				action: () => toggleFavorite(false),
 			} : {
-				icon: 'ti ti-star',
+				icon: 'fas fa-star',
 				text: i18n.ts.favorite,
 				action: () => toggleFavorite(true),
 			}),
 			{
-				icon: 'ti ti-paperclip',
+				icon: 'fas fa-paperclip',
 				text: i18n.ts.clip,
 				action: () => clip(),
 			},
@@ -276,7 +276,7 @@ export function getNoteMenu(props: {
 			...(appearNote.userId !== $i.id ? [
 				null,
 				{
-					icon: 'ti ti-exclamation-circle',
+					icon: 'fas fa-exclamation-circle',
 					text: i18n.ts.reportAbuse,
 					action: () => {
 						const u = appearNote.url || appearNote.uri || `${url}/notes/${appearNote.id}`;
@@ -296,7 +296,7 @@ export function getNoteMenu(props: {
 					action: delEdit,
 				} : undefined,
 				{
-					icon: 'ti ti-trash',
+					icon: 'fas fa-trash-alt',
 					text: i18n.ts.delete,
 					danger: true,
 					action: del,
@@ -306,15 +306,15 @@ export function getNoteMenu(props: {
 			.filter(x => x !== undefined);
 	} else {
 		menu = [{
-			icon: 'ti ti-external-link',
+			icon: 'fas fa-external-link-alt',
 			text: i18n.ts.detailed,
 			action: openDetail,
 		}, {
-			icon: 'ti ti-copy',
+			icon: 'fas fa-copy',
 			text: i18n.ts.copyContent,
 			action: copyContent,
 		}, {
-			icon: 'ti ti-link',
+			icon: 'fas fa-link',
 			text: i18n.ts.copyLink,
 			action: copyLink,
 		}, (appearNote.url || appearNote.uri) ? {
diff --git a/packages/client/src/scripts/get-user-menu.ts b/packages/client/src/scripts/get-user-menu.ts
index ae71b9718f..4a5a2d42f0 100644
--- a/packages/client/src/scripts/get-user-menu.ts
+++ b/packages/client/src/scripts/get-user-menu.ts
@@ -172,7 +172,7 @@ export function getUserMenu(user, router: Router = mainRouter) {
 		},
 	}, meId !== user.id ? {
 		type: 'link',
-		icon: 'ti ti-messages',
+		icon: 'fas fa-comments',
 		text: i18n.ts.startMessaging,
 		to: '/my/messaging/' + Acct.toString(user),
 	} : undefined, null, {
@@ -205,7 +205,7 @@ export function getUserMenu(user, router: Router = mainRouter) {
 		}
 
 		menu = menu.concat([null, {
-			icon: 'ti ti-exclamation-circle',
+			icon: 'fas fa-exclamation-circle',
 			text: i18n.ts.reportAbuse,
 			action: reportAbuse,
 		}]);
diff --git a/packages/client/src/scripts/hpml/lib.ts b/packages/client/src/scripts/hpml/lib.ts
index e9923904f6..cab467a920 100644
--- a/packages/client/src/scripts/hpml/lib.ts
+++ b/packages/client/src/scripts/hpml/lib.ts
@@ -130,13 +130,13 @@ export function initAiLib(hpml: Hpml) {
 }
 
 export const funcDefs: Record<string, { in: any[]; out: any; category: string; icon: any; }> = {
-	if: { in: ['boolean', 0, 0], out: 0, category: 'flow', icon: 'ti ti-share' },
+	if: { in: ['boolean', 0, 0], out: 0, category: 'flow', icon: 'fas fa-share-alt' },
 	for: { in: ['number', 'function'], out: null, category: 'flow', icon: 'fas fa-recycle' },
 	not: { in: ['boolean'], out: 'boolean', category: 'logical', icon: 'fas fa-flag' },
 	or: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: 'fas fa-flag' },
 	and: { in: ['boolean', 'boolean'], out: 'boolean', category: 'logical', icon: 'fas fa-flag' },
-	add: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'ti ti-plus' },
-	subtract: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'ti ti-minus' },
+	add: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'fas fa-plus' },
+	subtract: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'fas fa-minus' },
 	multiply: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'fas fa-times' },
 	divide: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'fas fa-divide' },
 	mod: { in: ['number', 'number'], out: 'number', category: 'operation', icon: 'fas fa-divide' },
diff --git a/packages/client/src/scripts/select-file.ts b/packages/client/src/scripts/select-file.ts
index b5c5d688a7..17e31d96f1 100644
--- a/packages/client/src/scripts/select-file.ts
+++ b/packages/client/src/scripts/select-file.ts
@@ -84,11 +84,11 @@ function select(src: any, label: string | null, multiple: boolean): Promise<Driv
 			action: chooseFileFromPc,
 		}, {
 			text: i18n.ts.fromDrive,
-			icon: 'ti ti-cloud',
+			icon: 'fas fa-cloud',
 			action: chooseFileFromDrive,
 		}, {
 			text: i18n.ts.fromUrl,
-			icon: 'ti ti-link',
+			icon: 'fas fa-link',
 			action: chooseFileFromUrl,
 		}], src);
 	});
diff --git a/packages/client/src/style.scss b/packages/client/src/style.scss
index a7f40d81d8..0b61d46f10 100644
--- a/packages/client/src/style.scss
+++ b/packages/client/src/style.scss
@@ -119,11 +119,6 @@ hr {
 	background: var(--divider);
 }
 
-.ti {
-	font-size: 125%;
-	vertical-align: text-bottom;
-}
-
 ._noSelect {
 	user-select: none;
 	-webkit-user-select: none;
diff --git a/packages/client/src/ui/_common_/navbar-for-mobile.vue b/packages/client/src/ui/_common_/navbar-for-mobile.vue
index 7747f9ca38..de000447ad 100644
--- a/packages/client/src/ui/_common_/navbar-for-mobile.vue
+++ b/packages/client/src/ui/_common_/navbar-for-mobile.vue
@@ -9,7 +9,7 @@
 		</div>
 		<div class="middle">
 			<MkA v-click-anime class="item index" active-class="active" to="/" exact>
-				<i class="icon ti ti-home-2 fa-fw"></i><span class="text">{{ i18n.ts.timeline }}</span>
+				<i class="icon fas fa-home fa-fw"></i><span class="text">{{ i18n.ts.timeline }}</span>
 			</MkA>
 			<template v-for="item in menu">
 				<div v-if="item === '-'" class="divider"></div>
@@ -27,7 +27,7 @@
 				<span v-if="otherMenuItemIndicated" class="indicator"><i class="icon fas fa-circle"></i></span>
 			</button>
 			<MkA v-click-anime class="item" active-class="active" to="/settings">
-				<i class="icon ti ti-settings fa-fw"></i><span class="text">{{ i18n.ts.settings }}</span>
+				<i class="icon fas fa-cog fa-fw"></i><span class="text">{{ i18n.ts.settings }}</span>
 			</MkA>
 		</div>
 		<div class="bottom">
@@ -85,7 +85,7 @@ function openInstanceMenu(ev: MouseEvent) {
 	}, {
 		type: 'link',
 		text: i18n.ts.federation,
-		icon: 'ti ti-world',
+		icon: 'fas fa-globe',
 		to: '/about#federation',
 	}, null, {
 		type: 'parent',
diff --git a/packages/client/src/ui/_common_/navbar.vue b/packages/client/src/ui/_common_/navbar.vue
index 2a96e200fc..20622b083a 100644
--- a/packages/client/src/ui/_common_/navbar.vue
+++ b/packages/client/src/ui/_common_/navbar.vue
@@ -9,7 +9,7 @@
 		</div>
 		<div class="middle">
 			<MkA v-click-anime v-tooltip.noDelay.right="i18n.ts.timeline" class="item index" active-class="active" to="/" exact>
-				<i class="icon ti ti-home-2 fa-fw"></i><span class="text">{{ i18n.ts.timeline }}</span>
+				<i class="icon fas fa-home fa-fw"></i><span class="text">{{ i18n.ts.timeline }}</span>
 			</MkA>
 			<template v-for="item in menu">
 				<div v-if="item === '-'" class="divider"></div>
@@ -37,7 +37,7 @@
 				<span v-if="otherMenuItemIndicated" class="indicator"><i class="icon fas fa-circle"></i></span>
 			</button>
 			<MkA v-click-anime v-tooltip.noDelay.right="i18n.ts.settings" class="item" active-class="active" to="/settings">
-				<i class="icon ti ti-settings fa-fw"></i><span class="text">{{ i18n.ts.settings }}</span>
+				<i class="icon fas fa-cog fa-fw"></i><span class="text">{{ i18n.ts.settings }}</span>
 			</MkA>
 		</div>
 		<div class="bottom">
@@ -108,7 +108,7 @@ function openInstanceMenu(ev: MouseEvent) {
 	}, {
 		type: 'link',
 		text: i18n.ts.federation,
-		icon: 'ti ti-world',
+		icon: 'fas fa-globe',
 		to: '/about#federation',
 	}, null, {
 		type: 'parent',
diff --git a/packages/client/src/ui/classic.header.vue b/packages/client/src/ui/classic.header.vue
index 5e30e10658..306d32c597 100644
--- a/packages/client/src/ui/classic.header.vue
+++ b/packages/client/src/ui/classic.header.vue
@@ -3,7 +3,7 @@
 	<div class="body">
 		<div class="left">
 			<MkA v-click-anime v-tooltip="$ts.timeline" class="item index" active-class="active" to="/" exact>
-				<i class="ti ti-home-2 fa-fw"></i>
+				<i class="fas fa-home fa-fw"></i>
 			</MkA>
 			<template v-for="item in menu">
 				<div v-if="item === '-'" class="divider"></div>
@@ -17,13 +17,13 @@
 				<i class="fas fa-door-open fa-fw"></i>
 			</MkA>
 			<button v-click-anime class="item _button" @click="more">
-				<i class="ti ti-dots fa-fw"></i>
+				<i class="fas fa-ellipsis-h fa-fw"></i>
 				<span v-if="otherNavItemIndicated" class="indicator"><i class="fas fa-circle"></i></span>
 			</button>
 		</div>
 		<div class="right">
 			<MkA v-click-anime v-tooltip="$ts.settings" class="item" active-class="active" to="/settings" :behavior="settingsWindowed ? 'modalWindow' : null">
-				<i class="ti ti-settings fa-fw"></i>
+				<i class="fas fa-cog fa-fw"></i>
 			</MkA>
 			<button v-click-anime class="item _button account" @click="openAccountMenu">
 				<MkAvatar :user="$i" class="avatar"/><MkAcct class="acct" :user="$i"/>
diff --git a/packages/client/src/ui/classic.sidebar.vue b/packages/client/src/ui/classic.sidebar.vue
index 104124c5d8..7479c1c9c6 100644
--- a/packages/client/src/ui/classic.sidebar.vue
+++ b/packages/client/src/ui/classic.sidebar.vue
@@ -10,7 +10,7 @@
 	</div>
 	<div class="divider"></div>
 	<MkA v-click-anime class="item index" active-class="active" to="/" exact>
-		<i class="ti ti-home-2 fa-fw"></i><span class="text">{{ $ts.timeline }}</span>
+		<i class="fas fa-home fa-fw"></i><span class="text">{{ $ts.timeline }}</span>
 	</MkA>
 	<template v-for="item in menu">
 		<div v-if="item === '-'" class="divider"></div>
@@ -24,11 +24,11 @@
 		<i class="fas fa-door-open fa-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
 	</MkA>
 	<button v-click-anime class="item _button" @click="more">
-		<i class="ti ti-dots fa-fw"></i><span class="text">{{ $ts.more }}</span>
+		<i class="fas fa-ellipsis-h fa-fw"></i><span class="text">{{ $ts.more }}</span>
 		<span v-if="otherNavItemIndicated" class="indicator"><i class="fas fa-circle"></i></span>
 	</button>
 	<MkA v-click-anime class="item" active-class="active" to="/settings" :behavior="settingsWindowed ? 'modalWindow' : null">
-		<i class="ti ti-settings fa-fw"></i><span class="text">{{ $ts.settings }}</span>
+		<i class="fas fa-cog fa-fw"></i><span class="text">{{ $ts.settings }}</span>
 	</MkA>
 	<div class="divider"></div>
 	<div class="about">
diff --git a/packages/client/src/ui/classic.widgets.vue b/packages/client/src/ui/classic.widgets.vue
index 95864b4595..ca8e3f4dbc 100644
--- a/packages/client/src/ui/classic.widgets.vue
+++ b/packages/client/src/ui/classic.widgets.vue
@@ -3,7 +3,7 @@
 	<XWidgets class="widgets" :edit="editMode" :widgets="$store.reactiveState.widgets.value.filter(w => w.place === place)" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="editMode = false"/>
 	<MkAd class="a" :prefer="['square']"/>
 
-	<button v-if="editMode" class="_textButton edit" style="font-size: 0.9em;" @click="editMode = false"><i class="ti ti-check"></i> {{ $ts.editWidgetsExit }}</button>
+	<button v-if="editMode" class="_textButton edit" style="font-size: 0.9em;" @click="editMode = false"><i class="fas fa-check"></i> {{ $ts.editWidgetsExit }}</button>
 	<button v-else class="_textButton edit" style="font-size: 0.9em;" @click="editMode = true"><i class="fas fa-pencil-alt"></i> {{ $ts.editWidgets }}</button>
 </div>
 </template>
diff --git a/packages/client/src/ui/deck.vue b/packages/client/src/ui/deck.vue
index 43ab54944b..224ad7ee1a 100644
--- a/packages/client/src/ui/deck.vue
+++ b/packages/client/src/ui/deck.vue
@@ -38,10 +38,10 @@
 					<button v-tooltip.noDelay.left="i18n.ts._deck.deleteProfile" class="_button button" @click="deleteProfile"><i class="fas fa-trash-can"></i></button>
 				</div>
 				<div class="middle">
-					<button v-tooltip.noDelay.left="i18n.ts._deck.addColumn" class="_button button" @click="addColumn"><i class="ti ti-plus"></i></button>
+					<button v-tooltip.noDelay.left="i18n.ts._deck.addColumn" class="_button button" @click="addColumn"><i class="fas fa-plus"></i></button>
 				</div>
 				<div class="bottom">
-					<button v-tooltip.noDelay.left="i18n.ts.settings" class="_button button settings" @click="showSettings"><i class="ti ti-settings"></i></button>
+					<button v-tooltip.noDelay.left="i18n.ts.settings" class="_button button settings" @click="showSettings"><i class="fas fa-cog"></i></button>
 				</div>
 			</div>
 		</div>
@@ -49,8 +49,8 @@
 
 	<div v-if="isMobile" class="buttons">
 		<button class="button nav _button" @click="drawerMenuShowing = true"><i class="fas fa-bars"></i><span v-if="menuIndicated" class="indicator"><i class="fas fa-circle"></i></span></button>
-		<button class="button home _button" @click="mainRouter.push('/')"><i class="ti ti-home-2"></i></button>
-		<button class="button notifications _button" @click="mainRouter.push('/my/notifications')"><i class="ti ti-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
+		<button class="button home _button" @click="mainRouter.push('/')"><i class="fas fa-home"></i></button>
+		<button class="button notifications _button" @click="mainRouter.push('/my/notifications')"><i class="fas fa-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
 		<button class="button post _button" @click="os.post()"><i class="fas fa-pencil-alt"></i></button>
 	</div>
 
@@ -194,7 +194,7 @@ function changeProfile(ev: MouseEvent) {
 			},
 		}))), null, {
 			text: i18n.ts._deck.newProfile,
-			icon: 'ti ti-plus',
+			icon: 'fas fa-plus',
 			action: async () => {
 				const { canceled, result: name } = await os.inputText({
 					title: i18n.ts._deck.profile,
diff --git a/packages/client/src/ui/deck/column.vue b/packages/client/src/ui/deck/column.vue
index b841c1a629..d16c23d100 100644
--- a/packages/client/src/ui/deck/column.vue
+++ b/packages/client/src/ui/deck/column.vue
@@ -105,7 +105,7 @@ function toggleActive() {
 
 function getMenu() {
 	let items = [{
-		icon: 'ti ti-settings',
+		icon: 'fas fa-cog',
 		text: i18n.ts._deck.configureColumn,
 		action: async () => {
 			const { canceled, result } = await os.form(props.column.name, {
@@ -170,7 +170,7 @@ function getMenu() {
 			popRightColumn(props.column.id);
 		},
 	} : undefined, null, {
-		icon: 'ti ti-trash',
+		icon: 'fas fa-trash-alt',
 		text: i18n.ts.remove,
 		danger: true,
 		action: () => {
diff --git a/packages/client/src/ui/deck/notifications-column.vue b/packages/client/src/ui/deck/notifications-column.vue
index ef7eaff40d..e77b849ef4 100644
--- a/packages/client/src/ui/deck/notifications-column.vue
+++ b/packages/client/src/ui/deck/notifications-column.vue
@@ -1,6 +1,6 @@
 <template>
 <XColumn :column="column" :is-stacked="isStacked" :menu="menu" @parent-focus="$event => emit('parent-focus', $event)">
-	<template #header><i class="ti ti-bell" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="fas fa-bell" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<XNotifications :include-types="column.includingTypes"/>
 </XColumn>
diff --git a/packages/client/src/ui/deck/tl-column.vue b/packages/client/src/ui/deck/tl-column.vue
index 2603a50e13..e64ed852b2 100644
--- a/packages/client/src/ui/deck/tl-column.vue
+++ b/packages/client/src/ui/deck/tl-column.vue
@@ -1,16 +1,16 @@
 <template>
 <XColumn :menu="menu" :column="column" :is-stacked="isStacked" :indicated="indicated" @change-active-state="onChangeActiveState" @parent-focus="$event => emit('parent-focus', $event)">
 	<template #header>
-		<i v-if="column.tl === 'home'" class="ti ti-home-2"></i>
-		<i v-else-if="column.tl === 'local'" class="ti ti-messages"></i>
-		<i v-else-if="column.tl === 'social'" class="ti ti-share"></i>
-		<i v-else-if="column.tl === 'global'" class="ti ti-world"></i>
+		<i v-if="column.tl === 'home'" class="fas fa-home"></i>
+		<i v-else-if="column.tl === 'local'" class="fas fa-comments"></i>
+		<i v-else-if="column.tl === 'social'" class="fas fa-share-alt"></i>
+		<i v-else-if="column.tl === 'global'" class="fas fa-globe"></i>
 		<span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
 
 	<div v-if="disabled" class="iwaalbte">
 		<p>
-			<i class="ti ti-minus-circle"></i>
+			<i class="fas fa-minus-circle"></i>
 			{{ $t('disabled-timeline.title') }}
 		</p>
 		<p class="desc">{{ $t('disabled-timeline.description') }}</p>
diff --git a/packages/client/src/ui/universal.vue b/packages/client/src/ui/universal.vue
index 4d95db6e41..7029f798f1 100644
--- a/packages/client/src/ui/universal.vue
+++ b/packages/client/src/ui/universal.vue
@@ -20,8 +20,8 @@
 
 	<div v-if="isMobile" class="buttons">
 		<button class="button nav _button" @click="drawerMenuShowing = true"><i class="fas fa-bars"></i><span v-if="menuIndicated" class="indicator"><i class="fas fa-circle"></i></span></button>
-		<button class="button home _button" @click="mainRouter.currentRoute.value.name === 'index' ? top() : mainRouter.push('/')"><i class="ti ti-home-2"></i></button>
-		<button class="button notifications _button" @click="mainRouter.push('/my/notifications')"><i class="ti ti-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
+		<button class="button home _button" @click="mainRouter.currentRoute.value.name === 'index' ? top() : mainRouter.push('/')"><i class="fas fa-home"></i></button>
+		<button class="button notifications _button" @click="mainRouter.push('/my/notifications')"><i class="fas fa-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
 		<button class="button widget _button" @click="widgetsShowing = true"><i class="fas fa-layer-group"></i></button>
 		<button class="button post _button" @click="os.post()"><i class="fas fa-pencil-alt"></i></button>
 	</div>
diff --git a/packages/client/src/ui/universal.widgets.vue b/packages/client/src/ui/universal.widgets.vue
index 60b2d4f86a..179f8a6baa 100644
--- a/packages/client/src/ui/universal.widgets.vue
+++ b/packages/client/src/ui/universal.widgets.vue
@@ -2,7 +2,7 @@
 <div class="efzpzdvf">
 	<XWidgets :edit="editMode" :widgets="defaultStore.reactiveState.widgets.value" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="editMode = false"/>
 
-	<button v-if="editMode" class="_textButton" style="font-size: 0.9em;" @click="editMode = false"><i class="ti ti-check"></i> {{ i18n.ts.editWidgetsExit }}</button>
+	<button v-if="editMode" class="_textButton" style="font-size: 0.9em;" @click="editMode = false"><i class="fas fa-check"></i> {{ i18n.ts.editWidgetsExit }}</button>
 	<button v-else class="_textButton mk-widget-edit" style="font-size: 0.9em;" @click="editMode = true"><i class="fas fa-pencil-alt"></i> {{ i18n.ts.editWidgets }}</button>
 </div>
 </template>
diff --git a/packages/client/src/ui/visitor/b.vue b/packages/client/src/ui/visitor/b.vue
index ccfbc433c3..3c308cfe5b 100644
--- a/packages/client/src/ui/visitor/b.vue
+++ b/packages/client/src/ui/visitor/b.vue
@@ -32,8 +32,8 @@
 
 	<transition :name="$store.state.animation ? 'tray' : ''">
 		<div v-if="showMenu" class="menu">
-			<MkA to="/" class="link" active-class="active"><i class="ti ti-home-2 icon"></i>{{ $ts.home }}</MkA>
-			<MkA to="/explore" class="link" active-class="active"><i class="ti ti-hash icon"></i>{{ $ts.explore }}</MkA>
+			<MkA to="/" class="link" active-class="active"><i class="fas fa-home icon"></i>{{ $ts.home }}</MkA>
+			<MkA to="/explore" class="link" active-class="active"><i class="fas fa-hashtag icon"></i>{{ $ts.explore }}</MkA>
 			<MkA to="/featured" class="link" active-class="active"><i class="fas fa-fire-alt icon"></i>{{ $ts.featured }}</MkA>
 			<MkA to="/channels" class="link" active-class="active"><i class="fas fa-satellite-dish icon"></i>{{ $ts.channel }}</MkA>
 			<div class="action">
diff --git a/packages/client/src/ui/visitor/header.vue b/packages/client/src/ui/visitor/header.vue
index 10002069b0..e2b9034851 100644
--- a/packages/client/src/ui/visitor/header.vue
+++ b/packages/client/src/ui/visitor/header.vue
@@ -2,8 +2,8 @@
 <div class="sqxihjet">
 	<div v-if="narrow === false" class="wide">
 		<div class="content">
-			<MkA to="/" class="link" active-class="active"><i class="ti ti-home-2 icon"></i>{{ $ts.home }}</MkA>
-			<MkA to="/explore" class="link" active-class="active"><i class="ti ti-hash icon"></i>{{ $ts.explore }}</MkA>
+			<MkA to="/" class="link" active-class="active"><i class="fas fa-home icon"></i>{{ $ts.home }}</MkA>
+			<MkA to="/explore" class="link" active-class="active"><i class="fas fa-hashtag icon"></i>{{ $ts.explore }}</MkA>
 			<MkA to="/featured" class="link" active-class="active"><i class="fas fa-fire-alt icon"></i>{{ $ts.featured }}</MkA>
 			<MkA to="/channels" class="link" active-class="active"><i class="fas fa-satellite-dish icon"></i>{{ $ts.channel }}</MkA>
 			<div v-if="info" class="page active link">
@@ -16,7 +16,7 @@
 				<button v-if="info.action" class="_button action" @click.stop="info.action.handler"><!-- TODO --></button>
 			</div>
 			<div class="right">
-				<button class="_button search" @click="search()"><i class="ti ti-search icon"></i><span>{{ $ts.search }}</span></button>
+				<button class="_button search" @click="search()"><i class="fas fa-search icon"></i><span>{{ $ts.search }}</span></button>
 				<button class="_buttonPrimary signup" @click="signup()">{{ $ts.signup }}</button>
 				<button class="_button login" @click="signin()">{{ $ts.login }}</button>
 			</div>
diff --git a/packages/client/src/widgets/federation.vue b/packages/client/src/widgets/federation.vue
index 60b4924c40..d0f81c1356 100644
--- a/packages/client/src/widgets/federation.vue
+++ b/packages/client/src/widgets/federation.vue
@@ -1,6 +1,6 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" :foldable="foldable" :scrollable="scrollable" class="mkw-federation">
-	<template #header><i class="ti ti-world"></i>{{ i18n.ts._widgets.federation }}</template>
+	<template #header><i class="fas fa-globe"></i>{{ i18n.ts._widgets.federation }}</template>
 
 	<div class="wbrkwalb">
 		<MkLoading v-if="fetching"/>
diff --git a/packages/client/src/widgets/notifications.vue b/packages/client/src/widgets/notifications.vue
index e697209444..2729c310a0 100644
--- a/packages/client/src/widgets/notifications.vue
+++ b/packages/client/src/widgets/notifications.vue
@@ -1,7 +1,7 @@
 <template>
 <MkContainer :style="`height: ${widgetProps.height}px;`" :show-header="widgetProps.showHeader" :scrollable="true" class="mkw-notifications">
-	<template #header><i class="ti ti-bell"></i>{{ i18n.ts.notifications }}</template>
-	<template #func><button class="_button" @click="configureNotification()"><i class="ti ti-settings"></i></button></template>
+	<template #header><i class="fas fa-bell"></i>{{ i18n.ts.notifications }}</template>
+	<template #func><button class="_button" @click="configureNotification()"><i class="fas fa-cog"></i></button></template>
 
 	<div>
 		<XNotifications :include-types="widgetProps.includingTypes"/>
diff --git a/packages/client/src/widgets/rss-ticker.vue b/packages/client/src/widgets/rss-ticker.vue
index cc3c688f7b..82a2f59ae9 100644
--- a/packages/client/src/widgets/rss-ticker.vue
+++ b/packages/client/src/widgets/rss-ticker.vue
@@ -1,7 +1,7 @@
 <template>
 <MkContainer :naked="widgetProps.transparent" :show-header="widgetProps.showHeader" class="mkw-rss-ticker">
 	<template #header><i class="fas fa-rss-square"></i>RSS</template>
-	<template #func><button class="_button" @click="configure"><i class="ti ti-settings"></i></button></template>
+	<template #func><button class="_button" @click="configure"><i class="fas fa-cog"></i></button></template>
 
 	<div class="ekmkgxbk">
 		<MkLoading v-if="fetching"/>
diff --git a/packages/client/src/widgets/rss.vue b/packages/client/src/widgets/rss.vue
index 7d008b5155..f392a8249a 100644
--- a/packages/client/src/widgets/rss.vue
+++ b/packages/client/src/widgets/rss.vue
@@ -1,7 +1,7 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" class="mkw-rss">
 	<template #header><i class="fas fa-rss-square"></i>RSS</template>
-	<template #func><button class="_button" @click="configure"><i class="ti ti-settings"></i></button></template>
+	<template #func><button class="_button" @click="configure"><i class="fas fa-cog"></i></button></template>
 
 	<div class="ekmkgxbj">
 		<MkLoading v-if="fetching"/>
diff --git a/packages/client/src/widgets/timeline.vue b/packages/client/src/widgets/timeline.vue
index 5e1081f0d8..718162667d 100644
--- a/packages/client/src/widgets/timeline.vue
+++ b/packages/client/src/widgets/timeline.vue
@@ -2,10 +2,10 @@
 <MkContainer :show-header="widgetProps.showHeader" :style="`height: ${widgetProps.height}px;`" :scrollable="true" class="mkw-timeline">
 	<template #header>
 		<button class="_button" @click="choose">
-			<i v-if="widgetProps.src === 'home'" class="ti ti-home-2"></i>
-			<i v-else-if="widgetProps.src === 'local'" class="ti ti-messages"></i>
-			<i v-else-if="widgetProps.src === 'social'" class="ti ti-share"></i>
-			<i v-else-if="widgetProps.src === 'global'" class="ti ti-world"></i>
+			<i v-if="widgetProps.src === 'home'" class="fas fa-home"></i>
+			<i v-else-if="widgetProps.src === 'local'" class="fas fa-comments"></i>
+			<i v-else-if="widgetProps.src === 'social'" class="fas fa-share-alt"></i>
+			<i v-else-if="widgetProps.src === 'global'" class="fas fa-globe"></i>
 			<i v-else-if="widgetProps.src === 'list'" class="fas fa-list-ul"></i>
 			<i v-else-if="widgetProps.src === 'antenna'" class="fas fa-satellite"></i>
 			<span style="margin-left: 8px;">{{ widgetProps.src === 'list' ? widgetProps.list.name : widgetProps.src === 'antenna' ? widgetProps.antenna.name : $t('_timelines.' + widgetProps.src) }}</span>
@@ -102,19 +102,19 @@ const choose = async (ev) => {
 	}));
 	os.popupMenu([{
 		text: i18n.ts._timelines.home,
-		icon: 'ti ti-home-2',
+		icon: 'fas fa-home',
 		action: () => { setSrc('home'); }
 	}, {
 		text: i18n.ts._timelines.local,
-		icon: 'ti ti-messages',
+		icon: 'fas fa-comments',
 		action: () => { setSrc('local'); }
 	}, {
 		text: i18n.ts._timelines.social,
-		icon: 'ti ti-share',
+		icon: 'fas fa-share-alt',
 		action: () => { setSrc('social'); }
 	}, {
 		text: i18n.ts._timelines.global,
-		icon: 'ti ti-world',
+		icon: 'fas fa-globe',
 		action: () => { setSrc('global'); }
 	}, antennaItems.length > 0 ? null : undefined, ...antennaItems, listItems.length > 0 ? null : undefined, ...listItems], ev.currentTarget ?? ev.target).then(() => {
 		menuOpened.value = false;
diff --git a/packages/client/src/widgets/trends.vue b/packages/client/src/widgets/trends.vue
index 02eec0431e..a783c04215 100644
--- a/packages/client/src/widgets/trends.vue
+++ b/packages/client/src/widgets/trends.vue
@@ -1,6 +1,6 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" class="mkw-trends">
-	<template #header><i class="ti ti-hash"></i>{{ i18n.ts._widgets.trends }}</template>
+	<template #header><i class="fas fa-hashtag"></i>{{ i18n.ts._widgets.trends }}</template>
 
 	<div class="wbrkwala">
 		<MkLoading v-if="fetching"/>