diff --git a/README.md b/README.md
index 80dd7616..9ec5ff5e 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,13 @@
 
 ## 細かい変更点
 
+- 検索の MFM で使用する検索エンジンを設定から変更可能に
+  - 以下の選択肢から選べます
+    - DuckDuckGo (duckduckgo.com)
+    - SearXNG (searx.be)
+    - Google Search (google.com)
+    - Moon Search (search.naskya.net)
+    - サーバーの投稿検索
 - サーバー設定の初期値を変更
   - 新規登録を無効化
   - サーバーメトリクスの表示を有効化
diff --git a/locales/en-US.yml b/locales/en-US.yml
index 757af845..4b174bc2 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -2155,3 +2155,5 @@ privacyForNerds: "Privacy protection in public places"
 disableToast: "Don't show the \"Welcome back\" banner"
 hideMyIcon: "Hide my icon"
 hideMyName: "Hide my name and ID"
+searchEngine: "Search engine used in search bar MFM"
+postSearch: "Post search on this server"
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 6b744115..be47333d 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -2009,3 +2009,5 @@ disableToast: "「おかえりなさい、◯◯さん」を表示しない"
 hideMyIcon: "自分のアイコンを表示しない"
 hideMyName: "自分の名前とIDを表示しない"
 openServerInfo: "投稿内のサーバー名をクリックでサーバー情報を開く"
+searchEngine: "検索の MFM で使用する検索エンジン"
+postSearch: "このサーバーの投稿検索"
diff --git a/packages/client/src/components/MkGoogle.vue b/packages/client/src/components/MkGoogle.vue
index 4244bb22..9b370ad6 100644
--- a/packages/client/src/components/MkGoogle.vue
+++ b/packages/client/src/components/MkGoogle.vue
@@ -12,6 +12,7 @@
 import { ref } from "vue";
 import { i18n } from "@/i18n";
 import { useRouter } from "@/router";
+import { defaultStore } from "@/store";
 
 const router = useRouter();
 
@@ -22,7 +23,9 @@ const props = defineProps<{
 const query = ref(props.q);
 
 const search = () => {
-	router.push(`/search/${query.value}`);
+	if (defaultStore.state.searchURL === "")
+		router.push(`/search?q=${query.value}`);
+	else window.open(`${defaultStore.state.searchURL}${query.value}`, "_blank");
 };
 </script>
 
diff --git a/packages/client/src/pages/settings/general.vue b/packages/client/src/pages/settings/general.vue
index 58bd979e..4e899055 100644
--- a/packages/client/src/pages/settings/general.vue
+++ b/packages/client/src/pages/settings/general.vue
@@ -108,6 +108,28 @@
 					{{ i18n.ts._serverDisconnectedBehavior.nothing }}
 				</option>
 			</FormSelect>
+
+			<FormSelect v-model="searchURL" class="_formBlock">
+				<template #label
+					>{{ i18n.ts.searchEngine
+					}}<span class="_beta">{{
+						i18n.ts.originalFeature
+					}}</span></template
+				>
+				<option value="https://duckduckgo.com/?q=">
+					DuckDuckGo (duckduckgo.com)
+				</option>
+				<option value="https://searx.be/?q=">SearXNG (searx.be)</option>
+				<option value="https://google.com/search?q=">
+					Google Search (google.com)
+				</option>
+				<option value="https://search.naskya.net/?q=">
+					Moon Search (search.naskya.net)
+				</option>
+				<option value="">
+					{{ i18n.ts.postSearch }}
+				</option>
+			</FormSelect>
 		</FormSection>
 
 		<FormSection>
@@ -481,6 +503,7 @@ const hideMyName = computed(defaultStore.makeGetterSetter("hideMyName"));
 const openServerInfo = computed(
 	defaultStore.makeGetterSetter("openServerInfo"),
 );
+const searchURL = computed(defaultStore.makeGetterSetter("searchURL"));
 
 watch(swipeOnDesktop, () => {
 	defaultStore.set("swipeOnMobile", true);
diff --git a/packages/client/src/store.ts b/packages/client/src/store.ts
index aebd3102..ff0d54cb 100644
--- a/packages/client/src/store.ts
+++ b/packages/client/src/store.ts
@@ -393,6 +393,10 @@ export const defaultStore = markRaw(
 			where: "device",
 			default: true,
 		},
+		searchURL: {
+			where: "device",
+			default: "https://duckduckgo.com/?q=",
+		},
 	}),
 );