diff --git a/src/build/i18n.ts b/src/build/i18n.ts
index addc35ce59..35854055d0 100644
--- a/src/build/i18n.ts
+++ b/src/build/i18n.ts
@@ -7,7 +7,7 @@ import locale from '../../locales';
 export default class Replacer {
 	private lang: string;
 
-	public pattern = /%i18n:([a-z0-9_\-\.\/\|\!]+?)%/g;
+	public pattern = /%i18n:([a-z0-9_\-\.\/\|]+?)%/g;
 
 	constructor(lang: string) {
 		this.lang = lang;
@@ -56,11 +56,6 @@ export default class Replacer {
 	public replacement(match, key) {
 		let path = null;
 
-		const shouldEscape = key[0] == '!';
-		if (shouldEscape) {
-			key = key.substr(1);
-		}
-
 		if (key.indexOf('|') != -1) {
 			path = key.split('|')[0];
 			key = key.split('|')[1];
@@ -68,8 +63,6 @@ export default class Replacer {
 
 		const txt = this.get(path, key);
 
-		return shouldEscape
-			? txt.replace(/'/g, '\\x27').replace(/"/g, '\\x22')
-			: txt.replace(/"/g, '"');
+		return txt.replace(/'/g, '\\x27').replace(/"/g, '\\x22');
 	}
 }
diff --git a/src/client/app/common/scripts/check-for-update.ts b/src/client/app/common/scripts/check-for-update.ts
index 1e303017eb..b5ba6916d1 100644
--- a/src/client/app/common/scripts/check-for-update.ts
+++ b/src/client/app/common/scripts/check-for-update.ts
@@ -23,7 +23,7 @@ export default async function(mios: MiOS, force = false, silent = false) {
 		}
 
 		if (!silent) {
-			alert('%i18n:!common.update-available%'.replace('{newer}', newer).replace('{current}', current));
+			alert('%i18n:common.update-available%'.replace('{newer}', newer).replace('{current}', current));
 		}
 
 		return newer;
diff --git a/src/client/app/common/scripts/streaming/home.ts b/src/client/app/common/scripts/streaming/home.ts
index 09d830bece..44d07e331a 100644
--- a/src/client/app/common/scripts/streaming/home.ts
+++ b/src/client/app/common/scripts/streaming/home.ts
@@ -62,7 +62,7 @@ export class HomeStream extends Stream {
 		// トークンが再生成されたとき
 		// このままではMisskeyが利用できないので強制的にサインアウトさせる
 		this.on('my_token_regenerated', () => {
-			alert('%i18n:!common.my-token-regenerated%');
+			alert('%i18n:common.my-token-regenerated%');
 			os.signout();
 		});
 	}
diff --git a/src/client/app/common/views/components/connect-failed.troubleshooter.vue b/src/client/app/common/views/components/connect-failed.troubleshooter.vue
index 6a922676b7..6c23cc7969 100644
--- a/src/client/app/common/views/components/connect-failed.troubleshooter.vue
+++ b/src/client/app/common/views/components/connect-failed.troubleshooter.vue
@@ -8,21 +8,21 @@
 					<template v-if="network">%fa:check%</template>
 					<template v-if="!network">%fa:times%</template>
 				</template>
-				{{ network == null ? '%i18n:!@checking-network%' : '%i18n:!@network%' }}<mk-ellipsis v-if="network == null"/>
+				{{ network == null ? '%i18n:@checking-network%' : '%i18n:@network%' }}<mk-ellipsis v-if="network == null"/>
 			</p>
 			<p v-if="network == true" :data-wip="internet == null">
 				<template v-if="internet != null">
 					<template v-if="internet">%fa:check%</template>
 					<template v-if="!internet">%fa:times%</template>
 				</template>
-				{{ internet == null ? '%i18n:!@checking-internet%' : '%i18n:!@internet%' }}<mk-ellipsis v-if="internet == null"/>
+				{{ internet == null ? '%i18n:@checking-internet%' : '%i18n:@internet%' }}<mk-ellipsis v-if="internet == null"/>
 			</p>
 			<p v-if="internet == true" :data-wip="server == null">
 				<template v-if="server != null">
 					<template v-if="server">%fa:check%</template>
 					<template v-if="!server">%fa:times%</template>
 				</template>
-				{{ server == null ? '%i18n:!@checking-server%' : '%i18n:!@server%' }}<mk-ellipsis v-if="server == null"/>
+				{{ server == null ? '%i18n:@checking-server%' : '%i18n:@server%' }}<mk-ellipsis v-if="server == null"/>
 			</p>
 		</div>
 		<p v-if="!end">%i18n:@finding%<mk-ellipsis/></p>
diff --git a/src/client/app/common/views/components/connect-failed.vue b/src/client/app/common/views/components/connect-failed.vue
index 6c194ff982..4bc9b2b3d7 100644
--- a/src/client/app/common/views/components/connect-failed.vue
+++ b/src/client/app/common/views/components/connect-failed.vue
@@ -3,9 +3,9 @@
 	<img src="data:image/jpeg;base64,%base64:/assets/error.jpg%" alt=""/>
 	<h1>%i18n:@title%</h1>
 	<p class="text">
-		<span>{{ '%i18n:!@description%'.substr(0, '%i18n:!@description%'.indexOf('{')) }}</span>
-		<a @click="reload">{{ '%i18n:!@description%'.match(/\{(.+?)\}/)[1] }}</a>
-		<span>{{ '%i18n:!@description%'.substr('%i18n:!@description%'.indexOf('}') + 1) }}</span>
+		<span>{{ '%i18n:@description%'.substr(0, '%i18n:@description%'.indexOf('{')) }}</span>
+		<a @click="reload">{{ '%i18n:@description%'.match(/\{(.+?)\}/)[1] }}</a>
+		<span>{{ '%i18n:@description%'.substr('%i18n:@description%'.indexOf('}') + 1) }}</span>
 	</p>
 	<button v-if="!troubleshooting" @click="troubleshooting = true">%i18n:@troubleshoot%</button>
 	<x-troubleshooter v-if="troubleshooting"/>
diff --git a/src/client/app/common/views/components/messaging-room.vue b/src/client/app/common/views/components/messaging-room.vue
index a45114e6bb..330834233a 100644
--- a/src/client/app/common/views/components/messaging-room.vue
+++ b/src/client/app/common/views/components/messaging-room.vue
@@ -8,7 +8,7 @@
 		<p class="empty" v-if="!init && messages.length == 0">%fa:info-circle%%i18n:@empty%</p>
 		<p class="no-history" v-if="!init && messages.length > 0 && !existMoreMessages">%fa:flag%%i18n:@no-history%</p>
 		<button class="more" :class="{ fetching: fetchingMoreMessages }" v-if="existMoreMessages" @click="fetchMoreMessages" :disabled="fetchingMoreMessages">
-			<template v-if="fetchingMoreMessages">%fa:spinner .pulse .fw%</template>{{ fetchingMoreMessages ? '%i18n:!common.loading%' : '%i18n:!@more%' }}
+			<template v-if="fetchingMoreMessages">%fa:spinner .pulse .fw%</template>{{ fetchingMoreMessages ? '%i18n:common.loading%' : '%i18n:@more%' }}
 		</button>
 		<template v-for="(message, i) in _messages">
 			<x-message :message="message" :key="message.id"/>
@@ -172,7 +172,7 @@ export default Vue.extend({
 				});
 			} else if (message.userId != (this as any).os.i.id) {
 				// Notify
-				this.notify('%i18n:!@new-message%');
+				this.notify('%i18n:@new-message%');
 			}
 		},
 
diff --git a/src/client/app/common/views/components/poll-editor.vue b/src/client/app/common/views/components/poll-editor.vue
index 95bcba996e..115c934c8b 100644
--- a/src/client/app/common/views/components/poll-editor.vue
+++ b/src/client/app/common/views/components/poll-editor.vue
@@ -5,7 +5,7 @@
 	</p>
 	<ul ref="choices">
 		<li v-for="(choice, i) in choices">
-			<input :value="choice" @input="onInput(i, $event)" :placeholder="'%i18n:!@choice-n%'.replace('{}', i + 1)">
+			<input :value="choice" @input="onInput(i, $event)" :placeholder="'%i18n:@choice-n%'.replace('{}', i + 1)">
 			<button @click="remove(i)" title="%i18n:@remove%">
 				%fa:times%
 			</button>
diff --git a/src/client/app/common/views/components/poll.vue b/src/client/app/common/views/components/poll.vue
index 46e41cbcdb..660247edbc 100644
--- a/src/client/app/common/views/components/poll.vue
+++ b/src/client/app/common/views/components/poll.vue
@@ -1,19 +1,19 @@
 <template>
 <div class="mk-poll" :data-is-voted="isVoted">
 	<ul>
-		<li v-for="choice in poll.choices" :key="choice.id" @click="vote(choice.id)" :class="{ voted: choice.voted }" :title="!isVoted ? '%i18n:!@vote-to%'.replace('{}', choice.text) : ''">
+		<li v-for="choice in poll.choices" :key="choice.id" @click="vote(choice.id)" :class="{ voted: choice.voted }" :title="!isVoted ? '%i18n:@vote-to%'.replace('{}', choice.text) : ''">
 			<div class="backdrop" :style="{ 'width': (showResult ? (choice.votes / total * 100) : 0) + '%' }"></div>
 			<span>
 				<template v-if="choice.isVoted">%fa:check%</template>
 				<span>{{ choice.text }}</span>
-				<span class="votes" v-if="showResult">({{ '%i18n:!@vote-count%'.replace('{}', choice.votes) }})</span>
+				<span class="votes" v-if="showResult">({{ '%i18n:@vote-count%'.replace('{}', choice.votes) }})</span>
 			</span>
 		</li>
 	</ul>
 	<p v-if="total > 0">
-		<span>{{ '%i18n:!@total-users%'.replace('{}', total) }}</span>
+		<span>{{ '%i18n:@total-users%'.replace('{}', total) }}</span>
 		<span>・</span>
-		<a v-if="!isVoted" @click="toggleShowResult">{{ showResult ? '%i18n:!@vote%' : '%i18n:!@show-result%' }}</a>
+		<a v-if="!isVoted" @click="toggleShowResult">{{ showResult ? '%i18n:@vote%' : '%i18n:@show-result%' }}</a>
 		<span v-if="isVoted">%i18n:@voted%</span>
 	</p>
 </div>
diff --git a/src/client/app/common/views/components/reaction-picker.vue b/src/client/app/common/views/components/reaction-picker.vue
index e2c8a6ed3f..0db6f66b37 100644
--- a/src/client/app/common/views/components/reaction-picker.vue
+++ b/src/client/app/common/views/components/reaction-picker.vue
@@ -22,7 +22,7 @@
 import Vue from 'vue';
 import * as anime from 'animejs';
 
-const placeholder = '%i18n:!@choose-reaction%';
+const placeholder = '%i18n:@choose-reaction%';
 
 export default Vue.extend({
 	props: ['note', 'source', 'compact', 'cb'],
diff --git a/src/client/app/common/views/components/signin.vue b/src/client/app/common/views/components/signin.vue
index 7fb9fc3fd4..6b9d58e0a8 100644
--- a/src/client/app/common/views/components/signin.vue
+++ b/src/client/app/common/views/components/signin.vue
@@ -9,7 +9,7 @@
 	<label class="token" v-if="user && user.twoFactorEnabled">
 		<input v-model="token" type="number" placeholder="%i18n:@token%" required/>%fa:lock%
 	</label>
-	<button type="submit" :disabled="signing">{{ signing ? '%i18n:!@signing-in%' : '%i18n:!@signin%' }}</button>
+	<button type="submit" :disabled="signing">{{ signing ? '%i18n:@signing-in%' : '%i18n:@signin%' }}</button>
 	もしくは <a :href="`${apiUrl}/signin/twitter`">Twitterでログイン</a>
 </form>
 </template>
diff --git a/src/client/app/common/views/components/signup.vue b/src/client/app/common/views/components/signup.vue
index 516979acd0..f8bf7dd798 100644
--- a/src/client/app/common/views/components/signup.vue
+++ b/src/client/app/common/views/components/signup.vue
@@ -127,7 +127,7 @@ export default Vue.extend({
 					location.href = '/';
 				});
 			}).catch(() => {
-				alert('%i18n:!@some-error%');
+				alert('%i18n:@some-error%');
 
 				(window as any).grecaptcha.reset();
 				this.recaptchaed = false;
diff --git a/src/client/app/common/views/components/time.vue b/src/client/app/common/views/components/time.vue
index 533958697c..6e0d2b0dcb 100644
--- a/src/client/app/common/views/components/time.vue
+++ b/src/client/app/common/views/components/time.vue
@@ -44,16 +44,16 @@ export default Vue.extend({
 			const time = this._time;
 			const ago = (this.now.getTime() - time.getTime()) / 1000/*ms*/;
 			return (
-				ago >= 31536000 ? '%i18n:!common.time.years_ago%'  .replace('{}', (~~(ago / 31536000)).toString()) :
-				ago >= 2592000  ? '%i18n:!common.time.months_ago%' .replace('{}', (~~(ago / 2592000)).toString()) :
-				ago >= 604800   ? '%i18n:!common.time.weeks_ago%'  .replace('{}', (~~(ago / 604800)).toString()) :
-				ago >= 86400    ? '%i18n:!common.time.days_ago%'   .replace('{}', (~~(ago / 86400)).toString()) :
-				ago >= 3600     ? '%i18n:!common.time.hours_ago%'  .replace('{}', (~~(ago / 3600)).toString()) :
-				ago >= 60       ? '%i18n:!common.time.minutes_ago%'.replace('{}', (~~(ago / 60)).toString()) :
-				ago >= 10       ? '%i18n:!common.time.seconds_ago%'.replace('{}', (~~(ago % 60)).toString()) :
-				ago >= 0        ? '%i18n:!common.time.just_now%' :
-				ago <  0        ? '%i18n:!common.time.future%' :
-				'%i18n:!common.time.unknown%');
+				ago >= 31536000 ? '%i18n:common.time.years_ago%'  .replace('{}', (~~(ago / 31536000)).toString()) :
+				ago >= 2592000  ? '%i18n:common.time.months_ago%' .replace('{}', (~~(ago / 2592000)).toString()) :
+				ago >= 604800   ? '%i18n:common.time.weeks_ago%'  .replace('{}', (~~(ago / 604800)).toString()) :
+				ago >= 86400    ? '%i18n:common.time.days_ago%'   .replace('{}', (~~(ago / 86400)).toString()) :
+				ago >= 3600     ? '%i18n:common.time.hours_ago%'  .replace('{}', (~~(ago / 3600)).toString()) :
+				ago >= 60       ? '%i18n:common.time.minutes_ago%'.replace('{}', (~~(ago / 60)).toString()) :
+				ago >= 10       ? '%i18n:common.time.seconds_ago%'.replace('{}', (~~(ago % 60)).toString()) :
+				ago >= 0        ? '%i18n:common.time.just_now%' :
+				ago <  0        ? '%i18n:common.time.future%' :
+				'%i18n:common.time.unknown%');
 		}
 	},
 	created() {
diff --git a/src/client/app/common/views/components/twitter-setting.vue b/src/client/app/common/views/components/twitter-setting.vue
index ab07e6d09a..9a2a1c3d40 100644
--- a/src/client/app/common/views/components/twitter-setting.vue
+++ b/src/client/app/common/views/components/twitter-setting.vue
@@ -3,7 +3,7 @@
 	<p>%i18n:@description%<a :href="`${docsUrl}/link-to-twitter`" target="_blank">%i18n:@detail%</a></p>
 	<p class="account" v-if="os.i.twitter" :title="`Twitter ID: ${os.i.twitter.userId}`">%i18n:@connected-to%: <a :href="`https://twitter.com/${os.i.twitter.screenName}`" target="_blank">@{{ os.i.twitter.screenName }}</a></p>
 	<p>
-		<a :href="`${apiUrl}/connect/twitter`" target="_blank" @click.prevent="connect">{{ os.i.twitter ? '%i18n:!@reconnect%' : '%i18n:!@connect%' }}</a>
+		<a :href="`${apiUrl}/connect/twitter`" target="_blank" @click.prevent="connect">{{ os.i.twitter ? '%i18n:@reconnect%' : '%i18n:@connect%' }}</a>
 		<span v-if="os.i.twitter"> or </span>
 		<a :href="`${apiUrl}/disconnect/twitter`" target="_blank" v-if="os.i.twitter" @click.prevent="disconnect">%i18n:@disconnect%</a>
 	</p>
diff --git a/src/client/app/common/views/widgets/broadcast.vue b/src/client/app/common/views/widgets/broadcast.vue
index 75b1d60524..f337cec853 100644
--- a/src/client/app/common/views/widgets/broadcast.vue
+++ b/src/client/app/common/views/widgets/broadcast.vue
@@ -14,7 +14,7 @@
 		</svg>
 	</div>
 	<p class="fetching" v-if="fetching">%i18n:@fetching%<mk-ellipsis/></p>
-	<h1 v-if="!fetching">{{ broadcasts.length == 0 ? '%i18n:!@no-broadcasts%' : broadcasts[i].title }}</h1>
+	<h1 v-if="!fetching">{{ broadcasts.length == 0 ? '%i18n:@no-broadcasts%' : broadcasts[i].title }}</h1>
 	<p v-if="!fetching">
 		<span v-if="broadcasts.length != 0" v-html="broadcasts[i].text"></span>
 		<template v-if="broadcasts.length == 0">%i18n:@have-a-nice-day%</template>
diff --git a/src/client/app/common/views/widgets/donation.vue b/src/client/app/common/views/widgets/donation.vue
index e35462611d..75f5db808a 100644
--- a/src/client/app/common/views/widgets/donation.vue
+++ b/src/client/app/common/views/widgets/donation.vue
@@ -3,9 +3,9 @@
 	<article>
 		<h1>%fa:heart%%i18n:@title%</h1>
 		<p>
-			{{ '%i18n:!@text%'.substr(0, '%i18n:!@text%'.indexOf('{')) }}
+			{{ '%i18n:@text%'.substr(0, '%i18n:@text%'.indexOf('{')) }}
 			<a href="https://syuilo.com">@syuilo</a>
-			{{ '%i18n:!@text%'.substr('%i18n:!@text%'.indexOf('}') + 1) }}
+			{{ '%i18n:@text%'.substr('%i18n:@text%'.indexOf('}') + 1) }}
 		</p>
 	</article>
 </div>
diff --git a/src/client/app/desktop/views/components/calendar.vue b/src/client/app/desktop/views/components/calendar.vue
index 757eefac7e..9a93841e52 100644
--- a/src/client/app/desktop/views/components/calendar.vue
+++ b/src/client/app/desktop/views/components/calendar.vue
@@ -2,7 +2,7 @@
 <div class="mk-calendar" :data-melt="design == 4 || design == 5">
 	<template v-if="design == 0 || design == 1">
 		<button @click="prev" title="%i18n:@prev%">%fa:chevron-circle-left%</button>
-		<p class="title">{{ '%i18n:!@title%'.replace('{1}', year).replace('{2}', month) }}</p>
+		<p class="title">{{ '%i18n:@title%'.replace('{1}', year).replace('{2}', month) }}</p>
 		<button @click="next" title="%i18n:@next%">%fa:chevron-circle-right%</button>
 	</template>
 
@@ -21,7 +21,7 @@
 			:data-is-out-of-range="isOutOfRange(i + 1)"
 			:data-is-donichi="isDonichi(i + 1)"
 			@click="go(i + 1)"
-			:title="isOutOfRange(i + 1) ? null : '%i18n:!@go%'"
+			:title="isOutOfRange(i + 1) ? null : '%i18n:@go%'"
 		>
 			<div>{{ i + 1 }}</div>
 		</div>
@@ -58,13 +58,13 @@ export default Vue.extend({
 			month: new Date().getMonth() + 1,
 			selected: new Date(),
 			weekdayText: [
-				'%i18n:!common.weekday-short.sunday%',
-				'%i18n:!common.weekday-short.monday%',
-				'%i18n:!common.weekday-short.tuesday%',
-				'%i18n:!common.weekday-short.wednesday%',
-				'%i18n:!common.weekday-short.thursday%',
-				'%i18n:!common.weekday-short.friday%',
-				'%i18n:!common.weekday-short.saturday%'
+				'%i18n:common.weekday-short.sunday%',
+				'%i18n:common.weekday-short.monday%',
+				'%i18n:common.weekday-short.tuesday%',
+				'%i18n:common.weekday-short.wednesday%',
+				'%i18n:common.weekday-short.thursday%',
+				'%i18n:common.weekday-short.friday%',
+				'%i18n:common.weekday-short.saturday%'
 			]
 		};
 	},
diff --git a/src/client/app/desktop/views/components/drive.file.vue b/src/client/app/desktop/views/components/drive.file.vue
index d8b8420ece..fb553e1ae7 100644
--- a/src/client/app/desktop/views/components/drive.file.vue
+++ b/src/client/app/desktop/views/components/drive.file.vue
@@ -64,46 +64,46 @@ export default Vue.extend({
 			this.isContextmenuShowing = true;
 			contextmenu(e, [{
 				type: 'item',
-				text: '%i18n:!@contextmenu.rename%',
+				text: '%i18n:@contextmenu.rename%',
 				icon: '%fa:i-cursor%',
 				onClick: this.rename
 			}, {
 				type: 'item',
-				text: '%i18n:!@contextmenu.copy-url%',
+				text: '%i18n:@contextmenu.copy-url%',
 				icon: '%fa:link%',
 				onClick: this.copyUrl
 			}, {
 				type: 'link',
 				href: `${this.file.url}?download`,
-				text: '%i18n:!@contextmenu.download%',
+				text: '%i18n:@contextmenu.download%',
 				icon: '%fa:download%',
 			}, {
 				type: 'divider',
 			}, {
 				type: 'item',
-				text: '%i18n:!common.delete%',
+				text: '%i18n:common.delete%',
 				icon: '%fa:R trash-alt%',
 				onClick: this.deleteFile
 			}, {
 				type: 'divider',
 			}, {
 				type: 'nest',
-				text: '%i18n:!@contextmenu.else-files%',
+				text: '%i18n:@contextmenu.else-files%',
 				menu: [{
 					type: 'item',
-					text: '%i18n:!@contextmenu.set-as-avatar%',
+					text: '%i18n:@contextmenu.set-as-avatar%',
 					onClick: this.setAsAvatar
 				}, {
 					type: 'item',
-					text: '%i18n:!@contextmenu.set-as-banner%',
+					text: '%i18n:@contextmenu.set-as-banner%',
 					onClick: this.setAsBanner
 				}]
 			}, {
 				type: 'nest',
-				text: '%i18n:!@contextmenu.open-in-app%',
+				text: '%i18n:@contextmenu.open-in-app%',
 				menu: [{
 					type: 'item',
-					text: '%i18n:!@contextmenu.add-app%...',
+					text: '%i18n:@contextmenu.add-app%...',
 					onClick: this.addApp
 				}]
 			}], {
@@ -141,8 +141,8 @@ export default Vue.extend({
 
 		rename() {
 			(this as any).apis.input({
-				title: '%i18n:!@contextmenu.rename-file%',
-				placeholder: '%i18n:!@contextmenu.input-new-file-name%',
+				title: '%i18n:@contextmenu.rename-file%',
+				placeholder: '%i18n:@contextmenu.input-new-file-name%',
 				default: this.file.name,
 				allowEmpty: false
 			}).then(name => {
@@ -157,9 +157,9 @@ export default Vue.extend({
 			copyToClipboard(this.file.url);
 			(this as any).apis.dialog({
 				title: '%fa:check%%i18n:@contextmenu.copied%',
-				text: '%i18n:!@contextmenu.copied-url-to-clipboard%',
+				text: '%i18n:@contextmenu.copied-url-to-clipboard%',
 				actions: [{
-					text: '%i18n:!common.ok%'
+					text: '%i18n:common.ok%'
 				}]
 			});
 		},
diff --git a/src/client/app/desktop/views/components/drive.folder.vue b/src/client/app/desktop/views/components/drive.folder.vue
index 0761ffb1a1..16f474f4e0 100644
--- a/src/client/app/desktop/views/components/drive.folder.vue
+++ b/src/client/app/desktop/views/components/drive.folder.vue
@@ -54,26 +54,26 @@ export default Vue.extend({
 			this.isContextmenuShowing = true;
 			contextmenu(e, [{
 				type: 'item',
-				text: '%i18n:!@contextmenu.move-to-this-folder%',
+				text: '%i18n:@contextmenu.move-to-this-folder%',
 				icon: '%fa:arrow-right%',
 				onClick: this.go
 			}, {
 				type: 'item',
-				text: '%i18n:!@contextmenu.show-in-new-window%',
+				text: '%i18n:@contextmenu.show-in-new-window%',
 				icon: '%fa:R window-restore%',
 				onClick: this.newWindow
 			}, {
 				type: 'divider',
 			}, {
 				type: 'item',
-				text: '%i18n:!@contextmenu.rename%',
+				text: '%i18n:@contextmenu.rename%',
 				icon: '%fa:i-cursor%',
 				onClick: this.rename
 			}, {
 				type: 'divider',
 			}, {
 				type: 'item',
-				text: '%i18n:!common.delete%',
+				text: '%i18n:common.delete%',
 				icon: '%fa:R trash-alt%',
 				onClick: this.deleteFolder
 			}], {
@@ -159,15 +159,15 @@ export default Vue.extend({
 					switch (err) {
 						case 'detected-circular-definition':
 							(this as any).apis.dialog({
-								title: '%fa:exclamation-triangle%%i18n:!@unable-to-process%',
-								text: '%i18n:!@circular-reference-detected%',
+								title: '%fa:exclamation-triangle%%i18n:@unable-to-process%',
+								text: '%i18n:@circular-reference-detected%',
 								actions: [{
-									text: '%i18n:!common.ok%'
+									text: '%i18n:common.ok%'
 								}]
 							});
 							break;
 						default:
-							alert('%i18n:!@unhandled-error% ' + err);
+							alert('%i18n:@unhandled-error% ' + err);
 					}
 				});
 			}
@@ -199,8 +199,8 @@ export default Vue.extend({
 
 		rename() {
 			(this as any).apis.input({
-				title: '%i18n:!@contextmenu.rename-folder%',
-				placeholder: '%i18n:!@contextmenu.input-new-folder-name%',
+				title: '%i18n:@contextmenu.rename-folder%',
+				placeholder: '%i18n:@contextmenu.input-new-folder-name%',
 				default: this.folder.name
 			}).then(name => {
 				(this as any).api('drive/folders/update', {
diff --git a/src/client/app/desktop/views/components/drive.nav-folder.vue b/src/client/app/desktop/views/components/drive.nav-folder.vue
index 71b2e419d9..40f620875e 100644
--- a/src/client/app/desktop/views/components/drive.nav-folder.vue
+++ b/src/client/app/desktop/views/components/drive.nav-folder.vue
@@ -8,7 +8,7 @@
 	@drop.stop="onDrop"
 >
 	<template v-if="folder == null">%fa:cloud%</template>
-	<span>{{ folder == null ? '%i18n:!@drive%' : folder.name }}</span>
+	<span>{{ folder == null ? '%i18n:@drive%' : folder.name }}</span>
 </div>
 </template>
 
diff --git a/src/client/app/desktop/views/components/drive.vue b/src/client/app/desktop/views/components/drive.vue
index 973df1014d..cae40f306c 100644
--- a/src/client/app/desktop/views/components/drive.vue
+++ b/src/client/app/desktop/views/components/drive.vue
@@ -138,17 +138,17 @@ export default Vue.extend({
 		onContextmenu(e) {
 			contextmenu(e, [{
 				type: 'item',
-				text: '%i18n:!@contextmenu.create-folder%',
+				text: '%i18n:@contextmenu.create-folder%',
 				icon: '%fa:R folder%',
 				onClick: this.createFolder
 			}, {
 				type: 'item',
-				text: '%i18n:!@contextmenu.upload%',
+				text: '%i18n:@contextmenu.upload%',
 				icon: '%fa:upload%',
 				onClick: this.selectLocalFile
 			}, {
 				type: 'item',
-				text: '%i18n:!@contextmenu.url-upload%',
+				text: '%i18n:@contextmenu.url-upload%',
 				icon: '%fa:cloud-upload-alt%',
 				onClick: this.urlUpload
 			}]);
@@ -306,15 +306,15 @@ export default Vue.extend({
 					switch (err) {
 						case 'detected-circular-definition':
 							(this as any).apis.dialog({
-								title: '%fa:exclamation-triangle%%i18n:!@unable-to-process%',
-								text: '%i18n:!@circular-reference-detected%',
+								title: '%fa:exclamation-triangle%%i18n:@unable-to-process%',
+								text: '%i18n:@circular-reference-detected%',
 								actions: [{
-									text: '%i18n:!common.ok%'
+									text: '%i18n:common.ok%'
 								}]
 							});
 							break;
 						default:
-							alert('%i18n:!@unhandled-error% ' + err);
+							alert('%i18n:@unhandled-error% ' + err);
 					}
 				});
 			}
@@ -327,8 +327,8 @@ export default Vue.extend({
 
 		urlUpload() {
 			(this as any).apis.input({
-				title: '%i18n:!@url-upload%',
-				placeholder: '%i18n:!@url-of-file%'
+				title: '%i18n:@url-upload%',
+				placeholder: '%i18n:@url-of-file%'
 			}).then(url => {
 				(this as any).api('drive/files/upload_from_url', {
 					url: url,
@@ -337,9 +337,9 @@ export default Vue.extend({
 
 				(this as any).apis.dialog({
 					title: '%fa:check%%i18n:@url-upload-requested%',
-					text: '%i18n:!@may-take-time%',
+					text: '%i18n:@may-take-time%',
 					actions: [{
-						text: '%i18n:!common.ok%'
+						text: '%i18n:common.ok%'
 					}]
 				});
 			});
@@ -347,8 +347,8 @@ export default Vue.extend({
 
 		createFolder() {
 			(this as any).apis.input({
-				title: '%i18n:!@create-folder%',
-				placeholder: '%i18n:!@folder-name%'
+				title: '%i18n:@create-folder%',
+				placeholder: '%i18n:@folder-name%'
 			}).then(name => {
 				(this as any).api('drive/folders/create', {
 					name: name,
diff --git a/src/client/app/desktop/views/components/followers-window.vue b/src/client/app/desktop/views/components/followers-window.vue
index f3eec13e0b..af1dea99c9 100644
--- a/src/client/app/desktop/views/components/followers-window.vue
+++ b/src/client/app/desktop/views/components/followers-window.vue
@@ -1,7 +1,7 @@
 <template>
 <mk-window width="400px" height="550px" @closed="$destroy">
 	<span slot="header" :class="$style.header">
-		<img :src="`${user.avatarUrl}?thumbnail&size=64`" alt=""/>%i18n:!@followers%.replace('{}', {{ user | userName }})
+		<img :src="`${user.avatarUrl}?thumbnail&size=64`" alt=""/>%i18n:@followers%.replace('{}', {{ user | userName }})
 	</span>
 	<mk-followers :user="user"/>
 </mk-window>
diff --git a/src/client/app/desktop/views/components/following-window.vue b/src/client/app/desktop/views/components/following-window.vue
index 153819b12e..780115a0ee 100644
--- a/src/client/app/desktop/views/components/following-window.vue
+++ b/src/client/app/desktop/views/components/following-window.vue
@@ -1,7 +1,7 @@
 <template>
 <mk-window width="400px" height="550px" @closed="$destroy">
 	<span slot="header" :class="$style.header">
-		<img :src="`${user.avatarUrl}?thumbnail&size=64`" alt=""/>%i18n:!@following%.replace('{}', {{ user | userName }})
+		<img :src="`${user.avatarUrl}?thumbnail&size=64`" alt=""/>%i18n:@following%.replace('{}', {{ user | userName }})
 	</span>
 	<mk-following :user="user"/>
 </mk-window>
diff --git a/src/client/app/desktop/views/components/notes.note.vue b/src/client/app/desktop/views/components/notes.note.vue
index e23d3e5a52..f6eba49024 100644
--- a/src/client/app/desktop/views/components/notes.note.vue
+++ b/src/client/app/desktop/views/components/notes.note.vue
@@ -6,9 +6,9 @@
 	<div class="renote" v-if="isRenote">
 		<mk-avatar class="avatar" :user="note.user"/>
 		%fa:retweet%
-		<span>{{ '%i18n:!@reposted-by%'.substr(0, '%i18n:!@reposted-by%'.indexOf('{')) }}</span>
+		<span>{{ '%i18n:@reposted-by%'.substr(0, '%i18n:@reposted-by%'.indexOf('{')) }}</span>
 		<a class="name" :href="note.user | userPage" v-user-preview="note.userId">{{ note.user | userName }}</a>
-		<span>{{ '%i18n:!@reposted-by%'.substr('%i18n:!@reposted-by%'.indexOf('}') + 1) }}</span>
+		<span>{{ '%i18n:@reposted-by%'.substr('%i18n:@reposted-by%'.indexOf('}') + 1) }}</span>
 		<mk-time :time="note.createdAt"/>
 	</div>
 	<article>
diff --git a/src/client/app/desktop/views/components/notifications.vue b/src/client/app/desktop/views/components/notifications.vue
index 7923d1a62d..5564dad623 100644
--- a/src/client/app/desktop/views/components/notifications.vue
+++ b/src/client/app/desktop/views/components/notifications.vue
@@ -81,7 +81,7 @@
 		</transition-group>
 	</div>
 	<button class="more" :class="{ fetching: fetchingMoreNotifications }" v-if="moreNotifications" @click="fetchMoreNotifications" :disabled="fetchingMoreNotifications">
-		<template v-if="fetchingMoreNotifications">%fa:spinner .pulse .fw%</template>{{ fetchingMoreNotifications ? '%i18n:!common.loading%' : '%i18n:!@more%' }}
+		<template v-if="fetchingMoreNotifications">%fa:spinner .pulse .fw%</template>{{ fetchingMoreNotifications ? '%i18n:common.loading%' : '%i18n:@more%' }}
 	</button>
 	<p class="empty" v-if="notifications.length == 0 && !fetching">%i18n:@empty%</p>
 	<p class="loading" v-if="fetching">%fa:spinner .pulse .fw%%i18n:common.loading%<mk-ellipsis/></p>
diff --git a/src/client/app/desktop/views/components/post-form-window.vue b/src/client/app/desktop/views/components/post-form-window.vue
index 1f0fbff760..18bb39f9bc 100644
--- a/src/client/app/desktop/views/components/post-form-window.vue
+++ b/src/client/app/desktop/views/components/post-form-window.vue
@@ -4,8 +4,8 @@
 		<span :class="$style.icon" v-if="geo">%fa:map-marker-alt%</span>
 		<span v-if="!reply">%i18n:@note%</span>
 		<span v-if="reply">%i18n:@reply%</span>
-		<span :class="$style.count" v-if="media.length != 0">{{ '%i18n:!@attaches%'.replace('{}', media.length) }}</span>
-		<span :class="$style.count" v-if="uploadings.length != 0">{{ '%i18n:!@uploading-media%'.replace('{}', uploadings.length) }}<mk-ellipsis/></span>
+		<span :class="$style.count" v-if="media.length != 0">{{ '%i18n:@attaches%'.replace('{}', media.length) }}</span>
+		<span :class="$style.count" v-if="uploadings.length != 0">{{ '%i18n:@uploading-media%'.replace('{}', uploadings.length) }}<mk-ellipsis/></span>
 	</span>
 
 	<mk-note-preview v-if="reply" :class="$style.notePreview" :note="reply"/>
diff --git a/src/client/app/desktop/views/components/post-form.vue b/src/client/app/desktop/views/components/post-form.vue
index 984fc9866c..0696d4e82b 100644
--- a/src/client/app/desktop/views/components/post-form.vue
+++ b/src/client/app/desktop/views/components/post-form.vue
@@ -37,7 +37,7 @@
 	<button class="visibility" title="公開範囲" @click="setVisibility" ref="visibilityButton">%fa:lock%</button>
 	<p class="text-count" :class="{ over: text.length > 1000 }">{{ 1000 - text.length }}</p>
 	<button :class="{ posting }" class="submit" :disabled="!canPost" @click="post">
-		{{ posting ? '%i18n:!@posting%' : submitText }}<mk-ellipsis v-if="posting"/>
+		{{ posting ? '%i18n:@posting%' : submitText }}<mk-ellipsis v-if="posting"/>
 	</button>
 	<input ref="file" type="file" accept="image/*" multiple="multiple" tabindex="-1" @change="onChangeFile"/>
 	<div class="dropzone" v-if="draghover"></div>
@@ -86,18 +86,18 @@ export default Vue.extend({
 
 		placeholder(): string {
 			return this.renote
-				? '%i18n:!@quote-placeholder%'
+				? '%i18n:@quote-placeholder%'
 				: this.reply
-					? '%i18n:!@reply-placeholder%'
-					: '%i18n:!@note-placeholder%';
+					? '%i18n:@reply-placeholder%'
+					: '%i18n:@note-placeholder%';
 		},
 
 		submitText(): string {
 			return this.renote
-				? '%i18n:!@renote%'
+				? '%i18n:@renote%'
 				: this.reply
-					? '%i18n:!@reply%'
-					: '%i18n:!@note%';
+					? '%i18n:@reply%'
+					: '%i18n:@note%';
 		},
 
 		canPost(): boolean {
@@ -304,16 +304,16 @@ export default Vue.extend({
 				this.deleteDraft();
 				this.$emit('posted');
 				(this as any).apis.notify(this.renote
-					? '%i18n:!@reposted%'
+					? '%i18n:@reposted%'
 					: this.reply
-						? '%i18n:!@replied%'
-						: '%i18n:!@posted%');
+						? '%i18n:@replied%'
+						: '%i18n:@posted%');
 			}).catch(err => {
 				(this as any).apis.notify(this.renote
-					? '%i18n:!@renote-failed%'
+					? '%i18n:@renote-failed%'
 					: this.reply
-						? '%i18n:!@reply-failed%'
-						: '%i18n:!@note-failed%');
+						? '%i18n:@reply-failed%'
+						: '%i18n:@note-failed%');
 			}).then(() => {
 				this.posting = false;
 			});
diff --git a/src/client/app/desktop/views/components/renote-form.vue b/src/client/app/desktop/views/components/renote-form.vue
index 9c0154211b..38eab3362f 100644
--- a/src/client/app/desktop/views/components/renote-form.vue
+++ b/src/client/app/desktop/views/components/renote-form.vue
@@ -5,7 +5,7 @@
 		<footer>
 			<a class="quote" v-if="!quote" @click="onQuote">%i18n:@quote%</a>
 			<button class="ui cancel" @click="cancel">%i18n:@cancel%</button>
-			<button class="ui primary ok" @click="ok" :disabled="wait">{{ wait ? '%i18n:!@reposting%' : '%i18n:!@renote%' }}</button>
+			<button class="ui primary ok" @click="ok" :disabled="wait">{{ wait ? '%i18n:@reposting%' : '%i18n:@renote%' }}</button>
 		</footer>
 	</template>
 	<template v-if="quote">
@@ -32,9 +32,9 @@ export default Vue.extend({
 				renoteId: this.note.id
 			}).then(data => {
 				this.$emit('posted');
-				(this as any).apis.notify('%i18n:!@success%');
+				(this as any).apis.notify('%i18n:@success%');
 			}).catch(err => {
-				(this as any).apis.notify('%i18n:!@failure%');
+				(this as any).apis.notify('%i18n:@failure%');
 			}).then(() => {
 				this.wait = false;
 			});
diff --git a/src/client/app/desktop/views/components/settings.2fa.vue b/src/client/app/desktop/views/components/settings.2fa.vue
index 99b6cb947c..0809dd798c 100644
--- a/src/client/app/desktop/views/components/settings.2fa.vue
+++ b/src/client/app/desktop/views/components/settings.2fa.vue
@@ -34,7 +34,7 @@ export default Vue.extend({
 	methods: {
 		register() {
 			(this as any).apis.input({
-				title: '%i18n:!@enter-password%',
+				title: '%i18n:@enter-password%',
 				type: 'password'
 			}).then(password => {
 				(this as any).api('i/2fa/register', {
@@ -47,13 +47,13 @@ export default Vue.extend({
 
 		unregister() {
 			(this as any).apis.input({
-				title: '%i18n:!@enter-password%',
+				title: '%i18n:@enter-password%',
 				type: 'password'
 			}).then(password => {
 				(this as any).api('i/2fa/unregister', {
 					password: password
 				}).then(() => {
-					(this as any).apis.notify('%i18n:!@unregistered%');
+					(this as any).apis.notify('%i18n:@unregistered%');
 					(this as any).os.i.twoFactorEnabled = false;
 				});
 			});
@@ -63,10 +63,10 @@ export default Vue.extend({
 			(this as any).api('i/2fa/done', {
 				token: this.token
 			}).then(() => {
-				(this as any).apis.notify('%i18n:!@success%');
+				(this as any).apis.notify('%i18n:@success%');
 				(this as any).os.i.twoFactorEnabled = true;
 			}).catch(() => {
-				(this as any).apis.notify('%i18n:!@failed%');
+				(this as any).apis.notify('%i18n:@failed%');
 			});
 		}
 	}
diff --git a/src/client/app/desktop/views/components/settings.api.vue b/src/client/app/desktop/views/components/settings.api.vue
index b22ee6cdab..b8eef3de63 100644
--- a/src/client/app/desktop/views/components/settings.api.vue
+++ b/src/client/app/desktop/views/components/settings.api.vue
@@ -15,7 +15,7 @@ export default Vue.extend({
 	methods: {
 		regenerateToken() {
 			(this as any).apis.input({
-				title: '%i18n:!@enter-password%',
+				title: '%i18n:@enter-password%',
 				type: 'password'
 			}).then(password => {
 				(this as any).api('i/regenerate_token', {
diff --git a/src/client/app/desktop/views/components/settings.password.vue b/src/client/app/desktop/views/components/settings.password.vue
index 9e89bc0f6e..39896daf67 100644
--- a/src/client/app/desktop/views/components/settings.password.vue
+++ b/src/client/app/desktop/views/components/settings.password.vue
@@ -11,21 +11,21 @@ export default Vue.extend({
 	methods: {
 		reset() {
 			(this as any).apis.input({
-				title: '%i18n:!@enter-current-password%',
+				title: '%i18n:@enter-current-password%',
 				type: 'password'
 			}).then(currentPassword => {
 				(this as any).apis.input({
-					title: '%i18n:!@enter-new-password%',
+					title: '%i18n:@enter-new-password%',
 					type: 'password'
 				}).then(newPassword => {
 					(this as any).apis.input({
-						title: '%i18n:!@enter-new-password-again%',
+						title: '%i18n:@enter-new-password-again%',
 						type: 'password'
 					}).then(newPassword2 => {
 						if (newPassword !== newPassword2) {
 							(this as any).apis.dialog({
 								title: null,
-								text: '%i18n:!@not-match%',
+								text: '%i18n:@not-match%',
 								actions: [{
 									text: 'OK'
 								}]
@@ -36,7 +36,7 @@ export default Vue.extend({
 							currentPasword: currentPassword,
 							newPassword: newPassword
 						}).then(() => {
-							(this as any).apis.notify('%i18n:!@changed%');
+							(this as any).apis.notify('%i18n:@changed%');
 						});
 					});
 				});
diff --git a/src/client/app/desktop/views/components/settings.vue b/src/client/app/desktop/views/components/settings.vue
index 6652a8ac37..24af64a59c 100644
--- a/src/client/app/desktop/views/components/settings.vue
+++ b/src/client/app/desktop/views/components/settings.vue
@@ -371,13 +371,13 @@ export default Vue.extend({
 				this.latestVersion = newer;
 				if (newer == null) {
 					(this as any).apis.dialog({
-						title: '%i18n:!@no-updates%',
-						text: '%i18n:!@no-updates-desc%'
+						title: '%i18n:@no-updates%',
+						text: '%i18n:@no-updates-desc%'
 					});
 				} else {
 					(this as any).apis.dialog({
-						title: '%i18n:!@update-available%',
-						text: '%i18n:!@update-available-desc%'
+						title: '%i18n:@update-available%',
+						text: '%i18n:@update-available-desc%'
 					});
 				}
 			});
@@ -385,8 +385,8 @@ export default Vue.extend({
 		clean() {
 			localStorage.clear();
 			(this as any).apis.dialog({
-				title: '%i18n:!@cache-cleared%',
-				text: '%i18n:!@caache-cleared-desc%'
+				title: '%i18n:@cache-cleared%',
+				text: '%i18n:@caache-cleared-desc%'
 			});
 		},
 		soundTest() {
diff --git a/src/client/app/desktop/views/pages/selectdrive.vue b/src/client/app/desktop/views/pages/selectdrive.vue
index 7a00896640..c846f2418f 100644
--- a/src/client/app/desktop/views/pages/selectdrive.vue
+++ b/src/client/app/desktop/views/pages/selectdrive.vue
@@ -29,7 +29,7 @@ export default Vue.extend({
 		}
 	},
 	mounted() {
-		document.title = '%i18n:!@title%';
+		document.title = '%i18n:@title%';
 	},
 	methods: {
 		onSelected(file) {
diff --git a/src/client/app/init.ts b/src/client/app/init.ts
index 4908b73b23..fd04f9bcc3 100644
--- a/src/client/app/init.ts
+++ b/src/client/app/init.ts
@@ -113,7 +113,7 @@ html.setAttribute('lang', lang);
 const head = document.getElementsByTagName('head')[0];
 const meta = document.createElement('meta');
 meta.setAttribute('name', 'description');
-meta.setAttribute('content', '%i18n:!common.misskey%');
+meta.setAttribute('content', '%i18n:common.misskey%');
 head.appendChild(meta);
 //#endregion
 
diff --git a/src/client/app/mobile/views/components/drive.vue b/src/client/app/mobile/views/components/drive.vue
index ef3432a3ec..8e35e6c88b 100644
--- a/src/client/app/mobile/views/components/drive.vue
+++ b/src/client/app/mobile/views/components/drive.vue
@@ -32,7 +32,7 @@
 		<div class="files" v-if="files.length > 0">
 			<x-file v-for="file in files" :key="file.id" :file="file"/>
 			<button class="more" v-if="moreFiles" @click="fetchMoreFiles">
-				{{ fetchingMoreFiles ? '%i18n:!common.loading%' : '%i18n:!@load-more%' }}
+				{{ fetchingMoreFiles ? '%i18n:common.loading%' : '%i18n:@load-more%' }}
 			</button>
 		</div>
 		<div class="empty" v-if="files.length == 0 && folders.length == 0 && !fetching">
diff --git a/src/client/app/mobile/views/components/follow-button.vue b/src/client/app/mobile/views/components/follow-button.vue
index 5d6b8ebf84..a6b5cf0556 100644
--- a/src/client/app/mobile/views/components/follow-button.vue
+++ b/src/client/app/mobile/views/components/follow-button.vue
@@ -7,7 +7,7 @@
 	<template v-if="!wait && user.isFollowing">%fa:minus%</template>
 	<template v-if="!wait && !user.isFollowing">%fa:plus%</template>
 	<template v-if="wait">%fa:spinner .pulse .fw%</template>
-	{{ user.isFollowing ? '%i18n:!@unfollow%' : '%i18n:!@follow%' }}
+	{{ user.isFollowing ? '%i18n:@unfollow%' : '%i18n:@follow%' }}
 </button>
 </template>
 
diff --git a/src/client/app/mobile/views/components/note.vue b/src/client/app/mobile/views/components/note.vue
index 83a957cfbd..37b032886a 100644
--- a/src/client/app/mobile/views/components/note.vue
+++ b/src/client/app/mobile/views/components/note.vue
@@ -6,9 +6,9 @@
 	<div class="renote" v-if="isRenote">
 		<mk-avatar class="avatar" :user="note.user"/>
 		%fa:retweet%
-		<span>{{ '%i18n:!@reposted-by%'.substr(0, '%i18n:!@reposted-by%'.indexOf('{')) }}</span>
+		<span>{{ '%i18n:@reposted-by%'.substr(0, '%i18n:@reposted-by%'.indexOf('{')) }}</span>
 		<router-link class="name" :to="note.user | userPage">{{ note.user | userName }}</router-link>
-		<span>{{ '%i18n:!@reposted-by%'.substr('%i18n:!@reposted-by%'.indexOf('}') + 1) }}</span>
+		<span>{{ '%i18n:@reposted-by%'.substr('%i18n:@reposted-by%'.indexOf('}') + 1) }}</span>
 		<mk-time :time="note.createdAt"/>
 	</div>
 	<article>
diff --git a/src/client/app/mobile/views/components/notifications.vue b/src/client/app/mobile/views/components/notifications.vue
index 8ab66940c4..6bb9e9bb2c 100644
--- a/src/client/app/mobile/views/components/notifications.vue
+++ b/src/client/app/mobile/views/components/notifications.vue
@@ -12,7 +12,7 @@
 
 	<button class="more" v-if="moreNotifications" @click="fetchMoreNotifications" :disabled="fetchingMoreNotifications">
 		<template v-if="fetchingMoreNotifications">%fa:spinner .pulse .fw%</template>
-		{{ fetchingMoreNotifications ? '%i18n:!common.loading%' : '%i18n:!@more%' }}
+		{{ fetchingMoreNotifications ? '%i18n:common.loading%' : '%i18n:@more%' }}
 	</button>
 
 	<p class="empty" v-if="notifications.length == 0 && !fetching">%i18n:@empty%</p>
diff --git a/src/client/app/mobile/views/components/post-form.vue b/src/client/app/mobile/views/components/post-form.vue
index 0bb498e5d7..b3b5ffd502 100644
--- a/src/client/app/mobile/views/components/post-form.vue
+++ b/src/client/app/mobile/views/components/post-form.vue
@@ -20,7 +20,7 @@
 			<a @click="addVisibleUser">+ユーザーを追加</a>
 		</div>
 		<input v-show="useCw" v-model="cw" placeholder="内容への注釈 (オプション)">
-		<textarea v-model="text" ref="text" :disabled="posting" :placeholder="reply ? '%i18n:!@reply-placeholder%' : renote ? '%i18n:!@renote-placeholder%' : '%i18n:!@note-placeholder%'"></textarea>
+		<textarea v-model="text" ref="text" :disabled="posting" :placeholder="reply ? '%i18n:@reply-placeholder%' : renote ? '%i18n:@renote-placeholder%' : '%i18n:@note-placeholder%'"></textarea>
 		<div class="attaches" v-show="files.length != 0">
 			<x-draggable class="files" :list="files" :options="{ animation: 150 }">
 				<div class="file" v-for="file in files" :key="file.id">
diff --git a/src/client/app/mobile/views/components/ui.nav.vue b/src/client/app/mobile/views/components/ui.nav.vue
index ec42dbc99d..820edd5f76 100644
--- a/src/client/app/mobile/views/components/ui.nav.vue
+++ b/src/client/app/mobile/views/components/ui.nav.vue
@@ -94,7 +94,7 @@ export default Vue.extend({
 	},
 	methods: {
 		search() {
-			const query = window.prompt('%i18n:!@search%');
+			const query = window.prompt('%i18n:@search%');
 			if (query == null || query == '') return;
 			this.$router.push('/search?q=' + encodeURIComponent(query));
 		},
diff --git a/src/client/app/mobile/views/components/user-timeline.vue b/src/client/app/mobile/views/components/user-timeline.vue
index 3ceb876596..aca6f783b8 100644
--- a/src/client/app/mobile/views/components/user-timeline.vue
+++ b/src/client/app/mobile/views/components/user-timeline.vue
@@ -3,7 +3,7 @@
 	<mk-notes ref="timeline" :more="existMore ? more : null">
 		<div slot="empty">
 			%fa:R comments%
-			{{ withMedia ? '%i18n:!@no-notes-with-media%' : '%i18n:!@no-notes%' }}
+			{{ withMedia ? '%i18n:@no-notes-with-media%' : '%i18n:@no-notes%' }}
 		</div>
 	</mk-notes>
 </div>
diff --git a/src/client/app/mobile/views/pages/followers.vue b/src/client/app/mobile/views/pages/followers.vue
index 33ade94e35..dfb9c62142 100644
--- a/src/client/app/mobile/views/pages/followers.vue
+++ b/src/client/app/mobile/views/pages/followers.vue
@@ -2,7 +2,7 @@
 <mk-ui>
 	<template slot="header" v-if="!fetching">
 		<img :src="`${user.avatarUrl}?thumbnail&size=64`" alt="">
-		{{ '%i18n:!@followers-of%'.replace('{}', name) }}
+		{{ '%i18n:@followers-of%'.replace('{}', name) }}
 	</template>
 	<mk-users-list
 		v-if="!fetching"
@@ -49,7 +49,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = '%i18n:!@followers-of%'.replace('{}', this.name) + ' | Misskey';
+				document.title = '%i18n:@followers-of%'.replace('{}', this.name) + ' | Misskey';
 			});
 		},
 		onLoaded() {
diff --git a/src/client/app/mobile/views/pages/following.vue b/src/client/app/mobile/views/pages/following.vue
index c6d6d44281..35461ea2fc 100644
--- a/src/client/app/mobile/views/pages/following.vue
+++ b/src/client/app/mobile/views/pages/following.vue
@@ -2,7 +2,7 @@
 <mk-ui>
 	<template slot="header" v-if="!fetching">
 		<img :src="`${user.avatarUrl}?thumbnail&size=64`" alt="">
-		{{ '%i18n:!@following-of%'.replace('{}', name) }}
+		{{ '%i18n:@following-of%'.replace('{}', name) }}
 	</template>
 	<mk-users-list
 		v-if="!fetching"
@@ -48,7 +48,7 @@ export default Vue.extend({
 				this.user = user;
 				this.fetching = false;
 
-				document.title = '%i18n:!@followers-of%'.replace('{}', this.name) + ' | Misskey';
+				document.title = '%i18n:@followers-of%'.replace('{}', this.name) + ' | Misskey';
 			});
 		},
 		onLoaded() {
diff --git a/src/client/app/mobile/views/pages/notifications.vue b/src/client/app/mobile/views/pages/notifications.vue
index d0c0fe9535..2e98201caa 100644
--- a/src/client/app/mobile/views/pages/notifications.vue
+++ b/src/client/app/mobile/views/pages/notifications.vue
@@ -21,7 +21,7 @@ export default Vue.extend({
 	},
 	methods: {
 		fn() {
-			const ok = window.confirm('%i18n:!@read-all%');
+			const ok = window.confirm('%i18n:@read-all%');
 			if (!ok) return;
 
 			(this as any).api('notifications/markAsRead_all');
diff --git a/src/client/app/mobile/views/pages/search.vue b/src/client/app/mobile/views/pages/search.vue
index f038a6f81f..9850fbcfb4 100644
--- a/src/client/app/mobile/views/pages/search.vue
+++ b/src/client/app/mobile/views/pages/search.vue
@@ -3,7 +3,7 @@
 	<span slot="header">%fa:search% {{ q }}</span>
 	<main v-if="!fetching">
 		<mk-notes :class="$style.notes" :notes="notes">
-			<span v-if="notes.length == 0">{{ '%i18n:!@empty%'.replace('{}', q) }}</span>
+			<span v-if="notes.length == 0">{{ '%i18n:@empty%'.replace('{}', q) }}</span>
 			<button v-if="existMore" @click="more" :disabled="fetching" slot="tail">
 				<span v-if="!fetching">%i18n:@load-more%</span>
 				<span v-if="fetching">%i18n:common.loading%<mk-ellipsis/></span>
diff --git a/src/client/app/mobile/views/pages/selectdrive.vue b/src/client/app/mobile/views/pages/selectdrive.vue
index d730e4fcff..1a162b346c 100644
--- a/src/client/app/mobile/views/pages/selectdrive.vue
+++ b/src/client/app/mobile/views/pages/selectdrive.vue
@@ -25,7 +25,7 @@ export default Vue.extend({
 		}
 	},
 	mounted() {
-		document.title = '%i18n:!@title%';
+		document.title = '%i18n:@title%';
 	},
 	methods: {
 		onSelected(file) {
diff --git a/src/client/app/mobile/views/pages/settings.vue b/src/client/app/mobile/views/pages/settings.vue
index 307593e210..55c7895a90 100644
--- a/src/client/app/mobile/views/pages/settings.vue
+++ b/src/client/app/mobile/views/pages/settings.vue
@@ -2,7 +2,7 @@
 <mk-ui>
 	<span slot="header">%fa:cog%%i18n:@settings%</span>
 	<main>
-		<p v-html="'%i18n:!@signed-in-as%'.replace('{}', '<b>' + name + '</b>')"></p>
+		<p v-html="'%i18n:@signed-in-as%'.replace('{}', '<b>' + name + '</b>')"></p>
 		<div>
 			<x-profile/>
 
@@ -91,7 +91,7 @@
 				<md-card-content>
 					<p class="account" v-if="os.i.twitter"><a :href="`https://twitter.com/${os.i.twitter.screenName}`" target="_blank">@{{ os.i.twitter.screenName }}</a></p>
 					<p>
-						<a :href="`${apiUrl}/connect/twitter`" target="_blank">{{ os.i.twitter ? '%i18n:!@twitter-reconnect%' : '%i18n:!@twitter-connect%' }}</a>
+						<a :href="`${apiUrl}/connect/twitter`" target="_blank">{{ os.i.twitter ? '%i18n:@twitter-reconnect%' : '%i18n:@twitter-connect%' }}</a>
 						<span v-if="os.i.twitter"> or </span>
 						<a :href="`${apiUrl}/disconnect/twitter`" target="_blank" v-if="os.i.twitter">%i18n:@twitter-disconnect%</a>
 					</p>
@@ -223,13 +223,13 @@ export default Vue.extend({
 				this.latestVersion = newer;
 				if (newer == null) {
 					(this as any).apis.dialog({
-						title: '%i18n:!@no-updates%',
-						text: '%i18n:!@no-updates-desc%'
+						title: '%i18n:@no-updates%',
+						text: '%i18n:@no-updates-desc%'
 					});
 				} else {
 					(this as any).apis.dialog({
-						title: '%i18n:!@update-available%',
-						text: '%i18n:!@update-available-desc%'
+						title: '%i18n:@update-available%',
+						text: '%i18n:@update-available-desc%'
 					});
 				}
 			});
diff --git a/src/client/app/mobile/views/pages/settings/settings.profile.vue b/src/client/app/mobile/views/pages/settings/settings.profile.vue
index 111443c56e..260cccbae3 100644
--- a/src/client/app/mobile/views/pages/settings/settings.profile.vue
+++ b/src/client/app/mobile/views/pages/settings/settings.profile.vue
@@ -158,7 +158,7 @@ export default Vue.extend({
 				(this as any).os.i.bannerId = i.bannerId;
 				(this as any).os.i.bannerUrl = i.bannerUrl;
 
-				alert('%i18n:!@saved%');
+				alert('%i18n:@saved%');
 			});
 		}
 	}
diff --git a/webpack/i18n.ts b/webpack/i18n.ts
index de4d02e9d9..e2cce060e8 100644
--- a/webpack/i18n.ts
+++ b/webpack/i18n.ts
@@ -2,17 +2,12 @@
  * Replace i18n texts
  */
 
-export const pattern = /%i18n:([a-z0-9_\-@\.\!]+?)%/g;
+export const pattern = /%i18n:([a-z0-9_\-@\.]+?)%/g;
 
 export const replacement = (ctx, match, key) => {
 	const client = '/src/client/app/';
 	let name = null;
 
-	const shouldEscape = key[0] == '!';
-	if (shouldEscape) {
-		key = key.substr(1);
-	}
-
 	if (key[0] == '@') {
 		name = ctx.src.substr(ctx.src.indexOf(client) + client.length);
 		key = key.substr(1);
@@ -20,5 +15,5 @@ export const replacement = (ctx, match, key) => {
 
 	const path = name ? `${name}|${key}` : key;
 
-	return shouldEscape ? `%i18n:!${path}%` : `%i18n:${path}%`;
+	return `%i18n:${path}%`;
 };