diff --git a/packages/client/src/components/MkEmojiPicker.vue b/packages/client/src/components/MkEmojiPicker.vue
index a85ba2b9be..3c0e7da7c9 100644
--- a/packages/client/src/components/MkEmojiPicker.vue
+++ b/packages/client/src/components/MkEmojiPicker.vue
@@ -69,9 +69,9 @@
 		</div>
 	</div>
 	<div class="tabs">
-		<button class="_button tab" :class="{ active: tab === 'index' }" @click="tab = 'index'"><i class="fas fa-asterisk ti-fw"></i></button>
+		<button class="_button tab" :class="{ active: tab === 'index' }" @click="tab = 'index'"><i class="ti ti-asterisk ti-fw"></i></button>
 		<button class="_button tab" :class="{ active: tab === 'custom' }" @click="tab = 'custom'"><i class="ti ti-mood-happy ti-fw"></i></button>
-		<button class="_button tab" :class="{ active: tab === 'unicode' }" @click="tab = 'unicode'"><i class="fas fa-leaf ti-fw"></i></button>
+		<button class="_button tab" :class="{ active: tab === 'unicode' }" @click="tab = 'unicode'"><i class="ti ti-leaf ti-fw"></i></button>
 		<button class="_button tab" :class="{ active: tab === 'tags' }" @click="tab = 'tags'"><i class="ti ti-hash ti-fw"></i></button>
 	</div>
 </div>
diff --git a/packages/client/src/components/MkFileTypeIcon.vue b/packages/client/src/components/MkFileTypeIcon.vue
deleted file mode 100644
index 11d28188cc..0000000000
--- a/packages/client/src/components/MkFileTypeIcon.vue
+++ /dev/null
@@ -1,15 +0,0 @@
-<template>
-<span class="mk-file-type-icon">
-	<template v-if="kind == 'image'"><i class="fas fa-file-image"></i></template>
-</span>
-</template>
-
-<script lang="ts" setup>
-import { computed } from 'vue';
-
-const props = defineProps<{
-	type: string;
-}>();
-
-const kind = computed(() => props.type.split('/')[0]);
-</script>
diff --git a/packages/client/src/components/MkNote.vue b/packages/client/src/components/MkNote.vue
index da51d14f03..1feb161ada 100644
--- a/packages/client/src/components/MkNote.vue
+++ b/packages/client/src/components/MkNote.vue
@@ -73,8 +73,7 @@
 			<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>
+					<i class="ti ti-arrow-back-up"></i>
 					<p v-if="appearNote.repliesCount > 0" class="count">{{ appearNote.repliesCount }}</p>
 				</button>
 				<XRenoteButton ref="renoteButton" class="button" :note="appearNote" :count="appearNote.renoteCount"/>
diff --git a/packages/client/src/components/MkNoteDetailed.vue b/packages/client/src/components/MkNoteDetailed.vue
index 19e895e11d..8269906bb0 100644
--- a/packages/client/src/components/MkNoteDetailed.vue
+++ b/packages/client/src/components/MkNoteDetailed.vue
@@ -83,8 +83,7 @@
 				</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>
+					<i class="ti ti-arrow-back-up"></i>
 					<p v-if="appearNote.repliesCount > 0" class="count">{{ appearNote.repliesCount }}</p>
 				</button>
 				<XRenoteButton ref="renoteButton" class="button" :note="appearNote" :count="appearNote.renoteCount"/>
diff --git a/packages/client/src/components/MkPostForm.vue b/packages/client/src/components/MkPostForm.vue
index 26ce4464bc..a6215038f7 100644
--- a/packages/client/src/components/MkPostForm.vue
+++ b/packages/client/src/components/MkPostForm.vue
@@ -21,7 +21,7 @@
 				<span v-if="visibility === 'followers'"><i class="ti ti-lock-open"></i></span>
 				<span v-if="visibility === 'specified'"><i class="ti ti-mail"></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 v-tooltip="i18n.ts.previewNoteText" class="_button preview" :class="{ active: showPreview }" @click="showPreview = !showPreview"><i class="ti ti-eye"></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 ? 'ti ti-quote' : 'ti ti-send'"></i></button>
 		</div>
 	</header>
diff --git a/packages/client/src/components/MkUrlPreview.vue b/packages/client/src/components/MkUrlPreview.vue
index 5814faef19..4f75d31db4 100644
--- a/packages/client/src/components/MkUrlPreview.vue
+++ b/packages/client/src/components/MkUrlPreview.vue
@@ -10,7 +10,7 @@
 	<transition :name="$store.state.animation ? 'zoom' : ''" mode="out-in">
 		<component :is="self ? 'MkA' : 'a'" v-if="!fetching" class="link" :class="{ compact }" :[attr]="self ? url.substr(local.length) : url" rel="nofollow noopener" :target="target" :title="url">
 			<div v-if="thumbnail" class="thumbnail" :style="`background-image: url('${thumbnail}')`">
-				<button v-if="!playerEnabled && player.url" class="_button" :title="i18n.ts.enablePlayer" @click.prevent="isMobile? playerEnabled = true : openPlayer()"><i class="fas fa-play-circle"></i></button>
+				<button v-if="!playerEnabled && player.url" class="_button" :title="i18n.ts.enablePlayer" @click.prevent="isMobile? playerEnabled = true : openPlayer()"><i class="ti ti-player-play"></i></button>
 			</div>
 			<article>
 				<header>
diff --git a/packages/client/src/components/MkWindow.vue b/packages/client/src/components/MkWindow.vue
index fb786ecf65..13c4e90f3e 100644
--- a/packages/client/src/components/MkWindow.vue
+++ b/packages/client/src/components/MkWindow.vue
@@ -11,8 +11,8 @@
 				</span>
 				<span class="right">
 					<button v-for="button in buttonsRight" v-tooltip="button.title" class="button _button" :class="{ highlighted: button.highlighted }" @click="button.onClick"><i :class="button.icon"></i></button>
-					<button v-if="canResize && maximized" class="button _button" @click="unMaximize()"><i class="fas fa-window-restore"></i></button>
-					<button v-else-if="canResize && !maximized" class="button _button" @click="maximize()"><i class="fas fa-window-maximize"></i></button>
+					<button v-if="canResize && maximized" class="button _button" @click="unMaximize()"><i class="ti ti-app-window"></i></button>
+					<button v-else-if="canResize && !maximized" class="button _button" @click="maximize()"><i class="ti ti-arrows-maximize"></i></button>
 					<button v-if="closeButton" class="button _button" @click="close()"><i class="ti ti-x"></i></button>
 				</span>
 			</div>
diff --git a/packages/client/src/components/form/suspense.vue b/packages/client/src/components/form/suspense.vue
index 58d80264c1..7efa501f27 100644
--- a/packages/client/src/components/form/suspense.vue
+++ b/packages/client/src/components/form/suspense.vue
@@ -9,7 +9,7 @@
 	<div v-else>
 		<div class="wszdbhzo">
 			<div><i class="ti ti-alert-triangle"></i> {{ $ts.somethingHappened }}</div>
-			<MkButton inline class="retry" @click="retry"><i class="fas fa-redo-alt"></i> {{ $ts.retry }}</MkButton>
+			<MkButton inline class="retry" @click="retry"><i class="ti ti-reload"></i> {{ $ts.retry }}</MkButton>
 		</div>
 	</div>
 </transition>
@@ -21,14 +21,14 @@ import MkButton from '@/components/MkButton.vue';
 
 export default defineComponent({
 	components: {
-		MkButton
+		MkButton,
 	},
 
 	props: {
 		p: {
 			type: Function as PropType<() => Promise<any>>,
 			required: true,
-		}
+		},
 	},
 
 	setup(props, context) {
@@ -59,7 +59,7 @@ export default defineComponent({
 		watch(() => props.p, () => {
 			process();
 		}, {
-			immediate: true
+			immediate: true,
 		});
 
 		const retry = () => {
@@ -73,7 +73,7 @@ export default defineComponent({
 			result,
 			retry,
 		};
-	}
+	},
 });
 </script>
 
diff --git a/packages/client/src/navbar.ts b/packages/client/src/navbar.ts
index 18b1cddc79..e1f64ac05f 100644
--- a/packages/client/src/navbar.ts
+++ b/packages/client/src/navbar.ts
@@ -78,7 +78,7 @@ export const navbarItemDef = reactive({
 	},
 	pages: {
 		title: 'pages',
-		icon: 'fas fa-file-alt',
+		icon: 'ti ti-news',
 		to: '/pages',
 	},
 	gallery: {
diff --git a/packages/client/src/pages/admin-file.vue b/packages/client/src/pages/admin-file.vue
index 1b16a66ac4..e923ca5df2 100644
--- a/packages/client/src/pages/admin-file.vue
+++ b/packages/client/src/pages/admin-file.vue
@@ -136,7 +136,7 @@ const headerTabs = $computed(() => [{
 
 definePageMetadata(computed(() => ({
 	title: file ? i18n.ts.file + ': ' + file.name : i18n.ts.file,
-	icon: 'fas fa-file',
+	icon: 'ti ti-file',
 })));
 </script>
 
diff --git a/packages/client/src/pages/admin/index.vue b/packages/client/src/pages/admin/index.vue
index 75d3fcae70..b5b5145c65 100644
--- a/packages/client/src/pages/admin/index.vue
+++ b/packages/client/src/pages/admin/index.vue
@@ -170,7 +170,7 @@ const menuDef = $computed(() => [{
 		to: '/admin/instance-block',
 		active: currentPage?.route.name === 'instance-block',
 	}, {
-		icon: 'fas fa-ghost',
+		icon: 'ti ti-ghost',
 		text: i18n.ts.proxyAccount,
 		to: '/admin/proxy-account',
 		active: currentPage?.route.name === 'proxy-account',
diff --git a/packages/client/src/pages/admin/proxy-account.vue b/packages/client/src/pages/admin/proxy-account.vue
index fe61909e80..5d0d67980e 100644
--- a/packages/client/src/pages/admin/proxy-account.vue
+++ b/packages/client/src/pages/admin/proxy-account.vue
@@ -57,6 +57,6 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.proxyAccount,
-	icon: 'fas fa-ghost',
+	icon: 'ti ti-ghost',
 });
 </script>
diff --git a/packages/client/src/pages/channels.vue b/packages/client/src/pages/channels.vue
index 7c84629a0a..34e9dac196 100644
--- a/packages/client/src/pages/channels.vue
+++ b/packages/client/src/pages/channels.vue
@@ -61,7 +61,7 @@ const headerActions = $computed(() => [{
 const headerTabs = $computed(() => [{
 	key: 'featured',
 	title: i18n.ts._channel.featured,
-	icon: 'fas fa-fire-alt',
+	icon: 'ti ti-comet',
 }, {
 	key: 'following',
 	title: i18n.ts._channel.following,
diff --git a/packages/client/src/pages/gallery/index.vue b/packages/client/src/pages/gallery/index.vue
index b04c1fad94..24a634bab5 100644
--- a/packages/client/src/pages/gallery/index.vue
+++ b/packages/client/src/pages/gallery/index.vue
@@ -13,7 +13,7 @@
 					</MkPagination>
 				</MkFolder>
 				<MkFolder class="_gap">
-					<template #header><i class="fas fa-fire-alt"></i>{{ i18n.ts.popularPosts }}</template>
+					<template #header><i class="ti ti-comet"></i>{{ i18n.ts.popularPosts }}</template>
 					<MkPagination v-slot="{items}" :pagination="popularPostsPagination" :disable-auto-load="true">
 						<div class="vfpdbgtk">
 							<MkGalleryPostPreview v-for="post in items" :key="post.id" :post="post" class="post"/>
diff --git a/packages/client/src/pages/settings/accounts.vue b/packages/client/src/pages/settings/accounts.vue
index a2b7de81af..493d3b2618 100644
--- a/packages/client/src/pages/settings/accounts.vue
+++ b/packages/client/src/pages/settings/accounts.vue
@@ -50,7 +50,7 @@ const init = async () => {
 function menu(account, ev) {
 	os.popupMenu([{
 		text: i18n.ts.switch,
-		icon: 'fas fa-exchange-alt',
+		icon: 'ti ti-switch-horizontal',
 		action: () => switchAccount(account),
 	}, {
 		text: i18n.ts.remove,
diff --git a/packages/client/src/pages/settings/import-export.vue b/packages/client/src/pages/settings/import-export.vue
index 68460cf7ad..7db267c142 100644
--- a/packages/client/src/pages/settings/import-export.vue
+++ b/packages/client/src/pages/settings/import-export.vue
@@ -154,7 +154,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.importAndExport,
-	icon: 'fas fa-boxes',
+	icon: 'ti ti-package',
 });
 </script>
 
diff --git a/packages/client/src/pages/settings/reaction.vue b/packages/client/src/pages/settings/reaction.vue
index 36e0718fbc..0dbe185504 100644
--- a/packages/client/src/pages/settings/reaction.vue
+++ b/packages/client/src/pages/settings/reaction.vue
@@ -47,7 +47,7 @@
 	<FormSection>
 		<div style="display: flex; gap: var(--margin); flex-wrap: wrap;">
 			<FormButton inline @click="preview"><i class="ti ti-eye"></i> {{ i18n.ts.preview }}</FormButton>
-			<FormButton inline danger @click="setDefault"><i class="fas fa-undo"></i> {{ i18n.ts.default }}</FormButton>
+			<FormButton inline danger @click="setDefault"><i class="ti ti-reload"></i> {{ i18n.ts.default }}</FormButton>
 		</div>
 	</FormSection>
 </div>
diff --git a/packages/client/src/pages/settings/security.vue b/packages/client/src/pages/settings/security.vue
index b6fdd2356f..33f49eb3ef 100644
--- a/packages/client/src/pages/settings/security.vue
+++ b/packages/client/src/pages/settings/security.vue
@@ -30,7 +30,7 @@
 
 	<FormSection>
 		<FormSlot>
-			<FormButton danger @click="regenerateToken"><i class="fas fa-sync-alt"></i> {{ i18n.ts.regenerateLoginToken }}</FormButton>
+			<FormButton danger @click="regenerateToken"><i class="ti ti-refresh"></i> {{ i18n.ts.regenerateLoginToken }}</FormButton>
 			<template #caption>{{ i18n.ts.regenerateLoginTokenDescription }}</template>
 		</FormSlot>
 	</FormSection>
diff --git a/packages/client/src/pages/settings/sounds.vue b/packages/client/src/pages/settings/sounds.vue
index 1106f0c6bb..2bea491e67 100644
--- a/packages/client/src/pages/settings/sounds.vue
+++ b/packages/client/src/pages/settings/sounds.vue
@@ -13,7 +13,7 @@
 		</FormLink>
 	</FormSection>
 
-	<FormButton danger class="_formBlock" @click="reset()"><i class="fas fa-redo"></i> {{ i18n.ts.default }}</FormButton>
+	<FormButton danger class="_formBlock" @click="reset()"><i class="ti ti-reload"></i> {{ i18n.ts.default }}</FormButton>
 </div>
 </template>
 
diff --git a/packages/client/src/pages/user/index.vue b/packages/client/src/pages/user/index.vue
index 48f2955283..6e895cd8d7 100644
--- a/packages/client/src/pages/user/index.vue
+++ b/packages/client/src/pages/user/index.vue
@@ -81,7 +81,7 @@ const headerTabs = $computed(() => user ? [{
 }, {
 	key: 'pages',
 	title: i18n.ts.pages,
-	icon: 'fas fa-file-alt',
+	icon: 'ti ti-news',
 }, {
 	key: 'gallery',
 	title: i18n.ts.gallery,
diff --git a/packages/client/src/ui/deck/widgets-column.vue b/packages/client/src/ui/deck/widgets-column.vue
index b5f49761fd..0bcdc4f768 100644
--- a/packages/client/src/ui/deck/widgets-column.vue
+++ b/packages/client/src/ui/deck/widgets-column.vue
@@ -1,6 +1,6 @@
 <template>
 <XColumn :menu="menu" :naked="true" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
-	<template #header><i class="fas fa-window-maximize" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="ti ti-layout-list" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<div class="wtdtxvec">
 		<div v-if="!(column.widgets && column.widgets.length > 0) && !edit" class="intro">{{ i18n.ts._deck.widgetsIntroduction }}</div>
diff --git a/packages/client/src/widgets/photos.vue b/packages/client/src/widgets/photos.vue
index e891bd6a7d..4ad5324053 100644
--- a/packages/client/src/widgets/photos.vue
+++ b/packages/client/src/widgets/photos.vue
@@ -1,6 +1,6 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" :naked="widgetProps.transparent" :class="$style.root" :data-transparent="widgetProps.transparent ? true : null" class="mkw-photos">
-	<template #header><i class="fas fa-camera"></i>{{ i18n.ts._widgets.photos }}</template>
+	<template #header><i class="ti ti-camera"></i>{{ i18n.ts._widgets.photos }}</template>
 
 	<div class="">
 		<MkLoading v-if="fetching"/>