diff --git a/locales/index.d.ts b/locales/index.d.ts
index 7f5c05d572..3d4bbde9e9 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -4211,6 +4211,10 @@ export interface Locale extends ILocale {
      * CWを維持する
      */
     "keepCw": string;
+    /**
+     * %sが検索語句に置き換えられます
+     */
+    "searchEngineDescription": string;
     /**
      * Pub/Subのアカウント
      */
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index b85892a01c..e6d58b45b2 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1044,6 +1044,7 @@ usernameInfo: "サーバー上であなたのアカウントを一意に識別
 aiChanMode: "藍モード"
 devMode: "開発者モード"
 keepCw: "CWを維持する"
+searchEngineDescription: "%sが検索語句に置き換えられます"
 pubSub: "Pub/Subのアカウント"
 lastCommunication: "直近の通信"
 resolved: "解決済み"
diff --git a/packages/frontend/src/components/MkGoogle.vue b/packages/frontend/src/components/MkGoogle.vue
index da7bcde4d8..21bc007c37 100644
--- a/packages/frontend/src/components/MkGoogle.vue
+++ b/packages/frontend/src/components/MkGoogle.vue
@@ -12,7 +12,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { ref } from 'vue';
+import { url as local } from '@@/js/config.js';
 import { i18n } from '@/i18n.js';
+import { defaultStore } from '@/store.js';
+import { useRouter } from '@/router/supplier.js';
+
+const router = useRouter();
 
 const props = defineProps<{
 	q: string;
@@ -21,9 +26,13 @@ const props = defineProps<{
 const query = ref(props.q);
 
 const search = () => {
-	const sp = new URLSearchParams();
-	sp.append('q', query.value);
-	window.open(`https://www.google.com/search?${sp.toString()}`, '_blank', 'noopener');
+	const searchUrl = String(defaultStore.state.searchEngine).replaceAll('%s', encodeURIComponent(query.value));
+	const url = new URL(searchUrl, local);
+	if (url.origin === local) {
+		router.push(url.toString().substring(local.length));
+	} else {
+		window.open(searchUrl, '_blank', 'noopener');
+	}
 };
 </script>
 
diff --git a/packages/frontend/src/pages/settings/privacy.vue b/packages/frontend/src/pages/settings/privacy.vue
index 0c8e81266e..6c883f4a85 100644
--- a/packages/frontend/src/pages/settings/privacy.vue
+++ b/packages/frontend/src/pages/settings/privacy.vue
@@ -100,6 +100,11 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</FormSection>
 
 	<MkSwitch v-model="keepCw" @update:modelValue="save()">{{ i18n.ts.keepCw }}</MkSwitch>
+
+	<MkInput v-model="searchEngine" manualSave :spellcheck="false">
+		<template #label>{{ i18n.ts.search }}<span class="_beta">yojo-art</span></template>
+		<template #caption>{{ i18n.ts.searchEngineDescription }}</template>
+	</MkInput>
 </div>
 </template>
 
@@ -110,6 +115,7 @@ import MkSelect from '@/components/MkSelect.vue';
 import FormSection from '@/components/form/section.vue';
 import MkFolder from '@/components/MkFolder.vue';
 import MkInfo from '@/components/MkInfo.vue';
+import MkInput from '@/components/MkInput.vue';
 import { misskeyApi } from '@/scripts/misskey-api.js';
 import { defaultStore } from '@/store.js';
 import { i18n } from '@/i18n.js';
@@ -135,6 +141,7 @@ const defaultNoteSearchbility = computed(defaultStore.makeGetterSetter('defaultN
 const rememberNoteSearchbility = computed(defaultStore.makeGetterSetter('rememberNoteSearchbility'));
 const rememberNoteVisibility = computed(defaultStore.makeGetterSetter('rememberNoteVisibility'));
 const keepCw = computed(defaultStore.makeGetterSetter('keepCw'));
+const searchEngine = computed(defaultStore.makeGetterSetter('searchEngine'));
 
 function save() {
 	console.log(typeof(searchableBy.value));
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index f2b3d35c94..bf4c1f3607 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -153,6 +153,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'account',
 		default: [] as string[],
 	},
+	searchEngine: {
+		where: 'account',
+		default: '/search?q=%s',
+	},
 
 	menu: {
 		where: 'deviceAccount',