diff --git a/apps/executeJS/src/widgets/code-editor/code-editor.tsx b/apps/executeJS/src/widgets/code-editor/code-editor.tsx
index 7845edc..b0388ab 100644
--- a/apps/executeJS/src/widgets/code-editor/code-editor.tsx
+++ b/apps/executeJS/src/widgets/code-editor/code-editor.tsx
@@ -1,7 +1,23 @@
-import React, { useRef } from 'react';
+import React, { useEffect, useRef } from 'react';
+
 import { Editor, EditorProps } from '@monaco-editor/react';
+import type { Options as PrettierOptions } from 'prettier';
+import prettier from 'prettier/standalone';
+import babel from 'prettier/plugins/babel';
+import estree from 'prettier/plugins/estree';
+import typescript from 'prettier/plugins/typescript';
+
 import type { CodeEditorProps } from '../../shared/types';
 
+const prettierOptions: PrettierOptions = {
+  semi: true,
+  trailingComma: 'es5',
+  singleQuote: true,
+  printWidth: 80,
+  tabWidth: 2,
+  useTabs: false,
+};
+
 export const CodeEditor: React.FC<CodeEditorProps> = ({
   value,
   onChange,
@@ -10,18 +26,91 @@ export const CodeEditor: React.FC<CodeEditorProps> = ({
   theme = 'vs-dark',
 }) => {
   const editorRef = useRef<any>(null);
+  const disposablesRef = useRef<Array<{ dispose(): void }>>([]);
 
   // Monaco Editor 설정
   const handleEditorDidMount: EditorProps['onMount'] = (editor, monaco) => {
     try {
       editorRef.current = editor;
 
-      // Cmd+Enter 키바인딩 추가
+      // 이전 등록된 포맷터가 남아있는 경우, 먼저 해제
+      if (disposablesRef.current.length > 0) {
+        disposablesRef.current.forEach((disposable) => {
+          disposable.dispose();
+        });
+        disposablesRef.current = [];
+      }
+
+      // JavaScript 포맷터 등록
+      const jsDisposable =
+        monaco.languages.registerDocumentFormattingEditProvider('javascript', {
+          async provideDocumentFormattingEdits(model) {
+            const text = model.getValue();
+
+            try {
+              const formatted = await prettier.format(text, {
+                ...prettierOptions,
+                parser: 'babel',
+                plugins: [babel, estree],
+              });
+
+              return [
+                {
+                  range: model.getFullModelRange(),
+                  text: formatted,
+                },
+              ];
+            } catch (error) {
+              console.error('Prettier formatting error:', error);
+              return [];
+            }
+          },
+        });
+
+      // TypeScript 포맷터 등록
+      const tsDisposable =
+        monaco.languages.registerDocumentFormattingEditProvider('typescript', {
+          async provideDocumentFormattingEdits(model) {
+            const text = model.getValue();
+
+            try {
+              const formatted = await prettier.format(text, {
+                ...prettierOptions,
+                parser: 'typescript',
+                plugins: [typescript, estree],
+              });
+
+              return [
+                {
+                  range: model.getFullModelRange(),
+                  text: formatted,
+                },
+              ];
+            } catch (error) {
+              console.error('Prettier formatting error:', error);
+              return [];
+            }
+          },
+        });
+
+      // Disposable들을 ref에 저장
+      disposablesRef.current = [jsDisposable, tsDisposable];
+
+      // 단축키 바인딩
       if (monaco && monaco.KeyMod && monaco.KeyCode) {
+        // Cmd+Enter 코드 실행
         editor.addCommand(monaco.KeyMod.CtrlCmd | monaco.KeyCode.Enter, () => {
           const currentValue = editor.getValue();
           onExecute?.(currentValue);
         });
+
+        // Cmd+Shift+F prettier 포맷 실행
+        editor.addCommand(
+          monaco.KeyMod.CtrlCmd | monaco.KeyMod.Shift | monaco.KeyCode.KeyF,
+          () => {
+            editor.getAction('editor.action.formatDocument')?.run();
+          }
+        );
       }
 
       // 에디터 포커스
@@ -73,6 +162,17 @@ export const CodeEditor: React.FC<CodeEditorProps> = ({
     acceptSuggestionOnEnter: 'off' as const,
   };
 
+  // Cleanup: unmount 시 포맷터 등록 해제
+  useEffect(() => {
+    return () => {
+      // 모든 disposable 해제
+      disposablesRef.current.forEach((disposable) => {
+        disposable.dispose();
+      });
+      disposablesRef.current = [];
+    };
+  }, []);
+
   return (
     <div className="h-full w-full min-h-0">
       <Editor
diff --git a/docs/docs/dev/_meta.json b/docs/docs/dev/_meta.json
index 7b4cfd1..56bfa59 100644
--- a/docs/docs/dev/_meta.json
+++ b/docs/docs/dev/_meta.json
@@ -1,4 +1 @@
-[
-  "development",
-  "commands"
-]
+["development", "commands"]
diff --git a/docs/docs/guide/_meta.json b/docs/docs/guide/_meta.json
index 209ca5f..a80008f 100644
--- a/docs/docs/guide/_meta.json
+++ b/docs/docs/guide/_meta.json
@@ -1,5 +1 @@
-[
-  "getting-started",
-  "npm-modules",
-  "live-demo"
-]
+["getting-started", "npm-modules", "live-demo"]