diff --git a/locales/ja.yml b/locales/ja.yml
index 936bdea21..1e0359254 100644
--- a/locales/ja.yml
+++ b/locales/ja.yml
@@ -95,6 +95,7 @@ common:
   i-like-sushi: "私は(プリンよりむしろ)寿司が好き"
   show-reversi-board-labels: "リバーシのボードの行と列のラベルを表示"
   verified-user: "認証済みのユーザー"
+  disable-animated-mfm: "投稿内の動きのあるテキストを無効にする"
 
   reversi:
     drawn: "引き分け"
diff --git a/src/client/app/common/views/components/misskey-flavored-markdown.ts b/src/client/app/common/views/components/misskey-flavored-markdown.ts
index 096ffcbf8..f9c97bd35 100644
--- a/src/client/app/common/views/components/misskey-flavored-markdown.ts
+++ b/src/client/app/common/views/components/misskey-flavored-markdown.ts
@@ -63,7 +63,7 @@ export default Vue.component('misskey-flavored-markdown', {
 						attrs: {
 							style: 'display: inline-block; font-size: 200%;'
 						},
-						directives: [{
+						directives: [this.$store.state.settings.disableAnimatedMfm ? {} : {
 							name: 'animate-css',
 							value: { classes: 'tada', iteration: 'infinite' }
 						}]
diff --git a/src/client/app/desktop/views/components/settings.vue b/src/client/app/desktop/views/components/settings.vue
index 00bd7a878..84ea768a5 100644
--- a/src/client/app/desktop/views/components/settings.vue
+++ b/src/client/app/desktop/views/components/settings.vue
@@ -55,6 +55,7 @@
 				<span>%i18n:@show-maps-desc%</span>
 			</mk-switch>
 			<mk-switch v-model="$store.state.settings.reversiBoardLabels" @change="onChangeReversiBoardLabels" text="%i18n:common.show-reversi-board-labels%"/>
+			<mk-switch v-model="$store.state.settings.disableAnimatedMfm" @change="onChangeDisableAnimatedMfm" text="%i18n:common.disable-animated-mfm%"/>
 		</section>
 
 		<section class="web" v-show="page == 'web'">
@@ -376,6 +377,12 @@ export default Vue.extend({
 				value: v
 			});
 		},
+		onChangeDisableAnimatedMfm(v) {
+			this.$store.dispatch('settings/set', {
+				key: 'disableAnimatedMfm',
+				value: v
+			});
+		},
 		onChangeGradientWindowHeader(v) {
 			this.$store.dispatch('settings/set', {
 				key: 'gradientWindowHeader',
diff --git a/src/client/app/mobile/views/pages/settings.vue b/src/client/app/mobile/views/pages/settings.vue
index 73bff55e4..63fca64ab 100644
--- a/src/client/app/mobile/views/pages/settings.vue
+++ b/src/client/app/mobile/views/pages/settings.vue
@@ -14,6 +14,7 @@
 				<ui-switch v-model="$store.state.settings.circleIcons" @change="onChangeCircleIcons">%i18n:@circle-icons%</ui-switch>
 				<ui-switch v-model="$store.state.settings.iLikeSushi" @change="onChangeILikeSushi">%i18n:common.i-like-sushi%</ui-switch>
 				<ui-switch v-model="$store.state.settings.reversiBoardLabels" @change="onChangeReversiBoardLabels">%i18n:common.show-reversi-board-labels%</ui-switch>
+				<ui-switch v-model="$store.state.settings.disableAnimatedMfm" @change="onChangeDisableAnimatedMfm">%i18n:common.disable-animated-mfm%</ui-switch>
 
 				<div>
 					<div>%i18n:@timeline%</div>
@@ -192,6 +193,13 @@ export default Vue.extend({
 			});
 		},
 
+		onChangeDisableAnimatedMfm(v) {
+			this.$store.dispatch('settings/set', {
+				key: 'disableAnimatedMfm',
+				value: v
+			});
+		},
+
 		onChangeShowReplyTarget(v) {
 			this.$store.dispatch('settings/set', {
 				key: 'showReplyTarget',