diff --git a/gulpfile.ts b/gulpfile.ts
index cb72272130..641500bbe2 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -3,6 +3,7 @@
  */
 
 import * as childProcess from 'child_process';
+import * as fs from 'fs';
 import * as Path from 'path';
 import * as gulp from 'gulp';
 import * as gutil from 'gulp-util';
@@ -180,7 +181,9 @@ gulp.task('build:client:pug', [
 			.pipe(pug({
 				locals: {
 					themeColor: constants.themeColor,
-					facss: fontawesome.dom.css()
+					facss: fontawesome.dom.css(),
+					//hljscss: fs.readFileSync('./node_modules/highlight.js/styles/default.css', 'utf8')
+					hljscss: fs.readFileSync('./src/web/assets/code-highlight.css', 'utf8')
 				}
 			}))
 			.pipe(htmlmin({
diff --git a/locales/en.yml b/locales/en.yml
index 9a54eed674..3009aad8cb 100644
--- a/locales/en.yml
+++ b/locales/en.yml
@@ -441,6 +441,7 @@ mobile:
       rename: "Rename"
       move: "Move"
       hash: "Hash (md5)"
+      exif: "EXIF"
 
     mk-entrance-signin:
       signup: "Sign up"
diff --git a/locales/ja.yml b/locales/ja.yml
index dcf4663395..cdfcd6385c 100644
--- a/locales/ja.yml
+++ b/locales/ja.yml
@@ -441,6 +441,7 @@ mobile:
       rename: "名前を変更"
       move: "移動"
       hash: "ハッシュ (md5)"
+      exif: "EXIF"
 
     mk-entrance-signin:
       signup: "新規登録"
diff --git a/package.json b/package.json
index 6de1602886..3bcb5f198d 100644
--- a/package.json
+++ b/package.json
@@ -97,6 +97,7 @@
 		"escape-regexp": "0.0.1",
 		"event-stream": "3.3.4",
 		"eventemitter3": "3.0.0",
+		"exif-js": "^2.3.0",
 		"express": "4.16.2",
 		"file-type": "7.4.0",
 		"fuckadblock": "3.2.1",
@@ -113,6 +114,7 @@
 		"gulp-typescript": "3.2.3",
 		"gulp-uglify": "3.0.0",
 		"gulp-util": "3.0.8",
+		"highlight.js": "^9.12.0",
 		"inquirer": "4.0.1",
 		"is-root": "1.0.0",
 		"is-url": "1.2.2",
diff --git a/src/web/app/base.pug b/src/web/app/base.pug
index 140286a768..d7c7f0aed4 100644
--- a/src/web/app/base.pug
+++ b/src/web/app/base.pug
@@ -24,6 +24,9 @@ html
 		//- FontAwesome style
 		style #{facss}
 
+		//- highlight.js style
+		style #{hljscss}
+
 	body
 		noscript: p
 			| JavaScriptを有効にしてください
diff --git a/src/web/app/mobile/tags/drive/file-viewer.tag b/src/web/app/mobile/tags/drive/file-viewer.tag
index da895359dc..48fc83fa67 100644
--- a/src/web/app/mobile/tags/drive/file-viewer.tag
+++ b/src/web/app/mobile/tags/drive/file-viewer.tag
@@ -1,6 +1,6 @@
 <mk-drive-file-viewer>
 	<div class="preview">
-		<img if={ kind == 'image' } src={ file.url } alt={ file.name } title={ file.name }>
+		<img if={ kind == 'image' } src={ file.url } alt={ file.name } title={ file.name } onload={ onImageLoaded } ref="img">
 		<virtual if={ kind != 'image' }>%fa:file%</virtual>
 		<footer if={ kind == 'image' && file.properties && file.properties.width && file.properties.height }>
 			<span class="size">
@@ -39,6 +39,14 @@
 			</button>
 		</div>
 	</div>
+	<div class="exif" show={ exif }>
+		<div>
+			<p>
+				%fa:camera%%i18n:mobile.tags.mk-drive-file-viewer.exif%
+			</p>
+			<pre ref="exif" class="json">{ exif ? JSON.stringify(exif, null, 2) : '' }</pre>
+		</div>
+	</div>
 	<div class="hash">
 		<div>
 			<p>
@@ -178,12 +186,45 @@
 						white-space nowrap
 						overflow auto
 						font-size 0.8em
+						color #222
+						border solid 1px #dfdfdf
+						border-radius 2px
+						background #f5f5f5
+
+			> .exif
+				padding 14px
+				border-top solid 1px #dfdfdf
+
+				> div
+					max-width 500px
+					margin 0 auto
+
+					> p
+						display block
+						margin 0
+						padding 0
+						color #555
+						font-size 0.9em
+
+						> [data-fa]
+							margin-right 4px
+
+					> pre
+						display block
+						width 100%
+						margin 6px 0 0 0
+						padding 8px
+						height 128px
+						overflow auto
+						font-size 0.9em
 						border solid 1px #dfdfdf
 						border-radius 2px
 						background #f5f5f5
 
 	</style>
 	<script>
+		import EXIF from 'exif-js';
+		import hljs from 'highlight.js';
 		import bytesToSize from '../../../common/scripts/bytes-to-size';
 		import gcd from '../../../common/scripts/gcd';
 
@@ -195,6 +236,17 @@
 		this.file = this.opts.file;
 		this.kind = this.file.type.split('/')[0];
 
+		this.onImageLoaded = () => {
+			const self = this;
+			EXIF.getData(this.refs.img, function() {
+				const allMetaData = EXIF.getAllTags(this);
+				self.update({
+					exif: allMetaData
+				});
+				hljs.highlightBlock(self.refs.exif);
+			});
+		};
+
 		this.rename = () => {
 			const name = window.prompt('名前を変更', this.file.name);
 			if (name == null || name == '' || name == this.file.name) return;
diff --git a/src/web/assets/code-highlight.css b/src/web/assets/code-highlight.css
new file mode 100644
index 0000000000..f0807dc9c3
--- /dev/null
+++ b/src/web/assets/code-highlight.css
@@ -0,0 +1,93 @@
+.hljs {
+	font-family: Consolas, 'Courier New', Courier, Monaco, monospace;
+}
+
+.hljs,
+.hljs-subst {
+	color: #444;
+}
+
+.hljs-comment {
+	color: #888888;
+}
+
+.hljs-keyword {
+	color: #2973b7;
+}
+
+.hljs-number {
+	color: #ae81ff;
+}
+
+.hljs-string {
+	color: #e96900;
+}
+
+.hljs-regexp {
+	color: #e9003f;
+}
+
+.hljs-attribute,
+.hljs-selector-tag,
+.hljs-meta-keyword,
+.hljs-doctag,
+.hljs-name {
+	font-weight: bold;
+}
+
+.hljs-type,
+.hljs-selector-id,
+.hljs-selector-class,
+.hljs-quote,
+.hljs-template-tag,
+.hljs-deletion {
+	color: #880000;
+}
+
+.hljs-title,
+.hljs-section {
+	color: #880000;
+	font-weight: bold;
+}
+
+.hljs-symbol,
+.hljs-variable,
+.hljs-template-variable,
+.hljs-link,
+.hljs-selector-attr,
+.hljs-selector-pseudo {
+	color: #BC6060;
+}
+
+/* Language color: hue: 90; */
+
+.hljs-literal {
+	color: #78A960;
+}
+
+.hljs-built_in,
+.hljs-bullet,
+.hljs-code,
+.hljs-addition {
+	color: #397300;
+}
+
+/* Meta color: hue: 200 */
+
+.hljs-meta {
+	color: #1f7199;
+}
+
+.hljs-meta-string {
+	color: #4d99bf;
+}
+
+/* Misc effects */
+
+.hljs-emphasis {
+	font-style: italic;
+}
+
+.hljs-strong {
+	font-weight: bold;
+}