diff --git a/src/backend/browser/sandbox.ts b/src/backend/browser/sandbox.ts
index d7ec97d6e7..d61c924bfc 100644
--- a/src/backend/browser/sandbox.ts
+++ b/src/backend/browser/sandbox.ts
@@ -240,6 +240,9 @@ export const api: Sandbox = {
   maximizeWindow() {
     throw new Error(`Not supported on Browser version: maximizeWindow`);
   },
+  toggleFullScreenMode() {
+    throw new Error(`Not supported on Browser version: toggleFullScreenMode`);
+  },
   /* eslint-disable no-console */ // ログの吐き出し先は console ぐらいしかないので、ここでは特例で許可している
   logError(...params: unknown[]) {
     console.error(...params);
diff --git a/src/backend/electron/main.ts b/src/backend/electron/main.ts
index 723259239b..4fddcddead 100644
--- a/src/backend/electron/main.ts
+++ b/src/backend/electron/main.ts
@@ -754,7 +754,13 @@ registerIpcMainHandle<IpcMainHandle>({
       win.maximize();
     }
   },
-
+  TOGGLE_FULLSCREENMODE: () => {
+    if (win.isFullScreen()) {
+      win.setFullScreen(false);
+    } else {
+      win.setFullScreen(true);
+    }
+  },
   OPEN_LOG_DIRECTORY: () => {
     void shell.openPath(app.getPath("logs"));
   },
diff --git a/src/backend/electron/preload.ts b/src/backend/electron/preload.ts
index c94d3d1ea5..e296d33a25 100644
--- a/src/backend/electron/preload.ts
+++ b/src/backend/electron/preload.ts
@@ -152,6 +152,10 @@ const api: Sandbox = {
     void ipcRendererInvokeProxy.MAXIMIZE_WINDOW();
   },
 
+  toggleFullScreenMode: () => {
+    void ipcRendererInvokeProxy.TOGGLE_FULLSCREENMODE();
+  },
+
   logError: (...params) => {
     console.error(...params);
     // 経緯 https://github.com/VOICEVOX/voicevox/pull/1620#discussion_r1371804569
diff --git a/src/components/Menu/MenuBar/MenuBar.vue b/src/components/Menu/MenuBar/MenuBar.vue
index 5bd26b70cf..a31ed398a3 100644
--- a/src/components/Menu/MenuBar/MenuBar.vue
+++ b/src/components/Menu/MenuBar/MenuBar.vue
@@ -134,6 +134,10 @@ const openHelpDialog = () => {
   });
 };
 
+const toggleFullScreenMode = async () => {
+  window.backend.toggleFullScreenMode();
+};
+
 const createNewProject = async () => {
   if (!uiLocked.value) {
     await store.dispatch("CREATE_NEW_PROJECT", {});
@@ -396,7 +400,16 @@ const menudata = computed<MenuItemData[]>(() => [
       closeAllDialog();
     },
     disableWhenUiLocked: false,
-    subMenu: [...props.viewSubMenuData],
+    subMenu: [
+      ...props.viewSubMenuData,
+      { type: "separator" },
+      {
+        type: "button",
+        label: "全画面表示/ウィンドウ表示切り替え",
+        onClick: toggleFullScreenMode,
+        disableWhenUiLocked: false,
+      },
+    ],
   },
   {
     type: "root",
@@ -527,6 +540,10 @@ function registerHotkeyForAllEditors(action: Omit<HotkeyAction, "editor">) {
   });
 }
 
+registerHotkeyForAllEditors({
+  callback: toggleFullScreenMode,
+  name: "全画面表示/ウィンドウ表示切り替え",
+});
 registerHotkeyForAllEditors({
   callback: createNewProject,
   name: "新規プロジェクト",
diff --git a/src/type/ipc.ts b/src/type/ipc.ts
index 006aca3532..5feee65b22 100644
--- a/src/type/ipc.ts
+++ b/src/type/ipc.ts
@@ -179,6 +179,11 @@ export type IpcIHData = {
     return: void;
   };
 
+  TOGGLE_FULLSCREENMODE: {
+    args: [];
+    return: void;
+  };
+
   OPEN_LOG_DIRECTORY: {
     args: [];
     return: void;
diff --git a/src/type/preload.ts b/src/type/preload.ts
index 6a746cfa45..85f9005bb3 100644
--- a/src/type/preload.ts
+++ b/src/type/preload.ts
@@ -146,6 +146,10 @@ export const defaultHotkeySettings: HotkeySettingType[] = [
     action: "新規プロジェクト",
     combination: HotkeyCombination(!isMac ? "Ctrl N" : "Meta N"),
   },
+  {
+    action: "全画面表示/ウィンドウ表示切り替え",
+    combination: HotkeyCombination(!isMac ? "F11" : "Ctrl Meta F"),
+  },
   {
     action: "プロジェクトを名前を付けて保存",
     combination: HotkeyCombination(!isMac ? "Ctrl Shift S" : "Shift Meta S"),
@@ -273,6 +277,7 @@ export interface Sandbox {
   closeWindow(): void;
   minimizeWindow(): void;
   maximizeWindow(): void;
+  toggleFullScreenMode(): void;
   logError(...params: unknown[]): void;
   logWarn(...params: unknown[]): void;
   logInfo(...params: unknown[]): void;
@@ -466,6 +471,7 @@ export const hotkeyActionNameSchema = z.enum([
   "元に戻す",
   "やり直す",
   "新規プロジェクト",
+  "全画面表示/ウィンドウ表示切り替え",
   "プロジェクトを名前を付けて保存",
   "プロジェクトを上書き保存",
   "プロジェクトを読み込む",