diff --git a/locales/en-US.yml b/locales/en-US.yml
index 80e45c42d..e22b92e2f 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -688,6 +688,7 @@ channel: "Channels"
 create: "Create"
 notificationSetting: "Notification settings"
 notificationSettingDesc: "Select the types of notification to display."
+enableFaviconNotificationDot: "Enable favicon notification dot"
 useGlobalSetting: "Use global settings"
 useGlobalSettingDesc: "If turned on, your account's notification settings will be used. If turned off, individual configurations can be made."
 other: "Other"
diff --git a/locales/index.d.ts b/locales/index.d.ts
index e407d2119..422f1c842 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -2764,6 +2764,10 @@ export interface Locale extends ILocale {
      * 表示する通知の種別を選択してください。
      */
     "notificationSettingDesc": string;
+    /**
+     * ファビコン通知ドットを有効にする
+     */
+    "enableFaviconNotificationDot": string;
     /**
      * グローバル設定を使う
      */
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 57f52c64b..e20907e6b 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -687,6 +687,7 @@ channel: "チャンネル"
 create: "作成"
 notificationSetting: "通知設定"
 notificationSettingDesc: "表示する通知の種別を選択してください。"
+enableFaviconNotificationDot: "ファビコン通知ドットを有効にする"
 useGlobalSetting: "グローバル設定を使う"
 useGlobalSettingDesc: "オンにすると、アカウントの通知設定が使用されます。オフにすると、個別に設定できるようになります。"
 other: "その他"
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 1e4e815d5..b216622c3 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -180,6 +180,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 		<div class="_gaps_m">
 			<div class="_gaps_s">
+				<MkSwitch v-model="enableFaviconNotificationDot">{{ i18n.ts.enableFaviconNotificationDot }}</MkSwitch>
 				<MkSwitch v-model="warnMissingAltText">{{ i18n.ts.warnForMissingAltText }}</MkSwitch>
 				<MkSwitch v-model="imageNewTab">{{ i18n.ts.openImageInNewTab }}</MkSwitch>
 				<MkSwitch v-model="useReactionPickerForContextMenu">{{ i18n.ts.useReactionPickerForContextMenu }}</MkSwitch>
@@ -337,6 +338,7 @@ const oneko = computed(defaultStore.makeGetterSetter('oneko'));
 const loadRawImages = computed(defaultStore.makeGetterSetter('loadRawImages'));
 const highlightSensitiveMedia = computed(defaultStore.makeGetterSetter('highlightSensitiveMedia'));
 const imageNewTab = computed(defaultStore.makeGetterSetter('imageNewTab'));
+const enableFaviconNotificationDot = computed(defaultStore.makeGetterSetter('enableFaviconNotificationDot'));
 const warnMissingAltText = computed(defaultStore.makeGetterSetter('warnMissingAltText'));
 const nsfw = computed(defaultStore.makeGetterSetter('nsfw'));
 const showFixedPostForm = computed(defaultStore.makeGetterSetter('showFixedPostForm'));
diff --git a/packages/frontend/src/pages/settings/preferences-backups.vue b/packages/frontend/src/pages/settings/preferences-backups.vue
index f180e0b72..86b8debe3 100644
--- a/packages/frontend/src/pages/settings/preferences-backups.vue
+++ b/packages/frontend/src/pages/settings/preferences-backups.vue
@@ -72,6 +72,7 @@ const defaultStoreSaveKeys: (keyof typeof defaultStore['state'])[] = [
 	'advancedMfm',
 	'loadRawImages',
 	'warnMissingAltText',
+	'enableFaviconNotificationDot',
 	'imageNewTab',
 	'dataSaver',
 	'disableShowingAnimatedImages',
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 2cf17b27c..7f6377613 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -268,6 +268,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: true,
 	},
+	enableFaviconNotificationDot: {
+		where: 'device',
+		default: true,
+	},
 	imageNewTab: {
 		where: 'device',
 		default: false,
diff --git a/packages/frontend/src/ui/_common_/common.vue b/packages/frontend/src/ui/_common_/common.vue
index 4fe53ae6a..a5e5d19a3 100644
--- a/packages/frontend/src/ui/_common_/common.vue
+++ b/packages/frontend/src/ui/_common_/common.vue
@@ -47,7 +47,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { defineAsyncComponent, ref } from 'vue';
+import { defineAsyncComponent, ref, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import { swInject } from './sw-inject.js';
 import XNotification from './notification.vue';
@@ -70,6 +70,74 @@ const dev = _DEV_;
 
 const notifications = ref<Misskey.entities.Notification[]>([]);
 
+class NotificationFavIconDot {
+	canvas : HTMLCanvasElement;
+	src : string | null = null;
+	ctx : CanvasRenderingContext2D | null = null;
+	favconImage : HTMLImageElement | null = null;
+	faviconEL : HTMLLinkElement;
+	hasLoaded : Promise;
+
+	constructor() {
+		this.canvas = document.createElement('canvas');
+		this.faviconEL = document.querySelector<HTMLLinkElement>('link[rel$=icon]') ?? this._createFaviconElem();
+
+		this.src = this.faviconEL.getAttribute('href');
+		this.ctx = this.canvas.getContext('2d');
+		
+		this.favconImage = document.createElement('img');
+		this.favconImage.src = this.faviconEL.href;
+		this.hasLoaded = new Promise((resolve, reject) => {
+			this.favconImage.onload = () => {
+				this.canvas.width = this.favconImage.width;
+				this.canvas.height = this.favconImage.height;
+
+				// resolve();
+				setTimeout(() => resolve(), 500);
+			};
+		});
+	}
+
+	private _createFaviconElem() {
+		const newLink = document.createElement('link');
+		newLink.rel = 'icon';
+		newLink.href = '/favicon.ico';
+		document.head.appendChild(newLink);
+		return newLink;
+	}
+
+	private _drawIcon() {
+		if (!this.ctx || !this.favconImage) return;
+		this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
+		this.ctx.drawImage(this.favconImage, 0, 0, this.favconImage.width, this.favconImage.height);
+	}
+
+	private _drawDot() {
+		if (!this.ctx || !this.favconImage) return;
+		this.ctx.beginPath();
+		this.ctx.arc(this.favconImage.width - 10, 10, 10, 0, 2 * Math.PI);
+		this.ctx.fillStyle = getComputedStyle(document.documentElement).getPropertyValue('--navIndicator');
+		this.ctx.strokeStyle = 'white';
+		this.ctx.fill();
+		this.ctx.stroke();
+	}
+
+	private _setFavicon() {
+		this.faviconEL.href = this.canvas.toDataURL('image/png');
+	}
+
+	async setVisible(isVisible : boolean) {
+		//Wait for it to have loaded the icon
+		await this.hasLoaded;
+		console.log(this.hasLoaded);
+		this._drawIcon();
+		if (isVisible) this._drawDot();
+		this._setFavicon();
+	}
+}
+
+const notificationDot = new NotificationFavIconDot();
+
 function onNotification(notification: Misskey.entities.Notification, isClient = false) {
 	if (document.visibilityState === 'visible') {
 		if (!isClient && notification.type !== 'test') {
@@ -93,6 +161,11 @@ function onNotification(notification: Misskey.entities.Notification, isClient =
 if ($i) {
 	const connection = useStream().useChannel('main', null, 'UI');
 	connection.on('notification', onNotification);
+
+	watch(() => $i?.hasUnreadNotification, (hasAny) => notificationDot.setVisible((defaultStore.state.enableFaviconNotificationDot ? hasAny : false) ?? false));
+
+	if ($i.hasUnreadNotification && defaultStore.state.enableFaviconNotificationDot) notificationDot.setVisible(true);
+	
 	globalEvents.on('clientNotification', notification => onNotification(notification, true));
 
 	//#region Listen message from SW