JavaScript Beautifier

Updated: 2026-07-11
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✏️ Beautify Your Code

📊 Result Chart

📖 How to Use

One-click beautify and format JavaScript code with indentation adjustment, line break optimization, and syntax highlighting. Handles minified/obfuscated code.

⚡ How It Works

Uses a hybrid approach combining regex and AST analysis to format JavaScript code. Supports ES5/ES6+, TypeScript, and JSX syntax.

💼 Use Cases

Read and modify minified JS code; unify code style in projects; quickly restore obfuscated code during debugging; refactor legacy JavaScript projects.

❓ FAQ

❓ Do I need to upload my code?

No. All beautification is done locally in your browser. Your JavaScript code is never uploaded to any server.

❓ What formatting options are available?

Supports indentation size (2/4/8 spaces or tab), indentation type, space padding around operators, and HTML template beautification options.

❓ Can it handle minified JS?

Yes. The tool is optimized for minified/obfuscated JavaScript code, automatically adding line breaks, adjusting indentation, and restoring readability.

❓ Which JS syntax does it support?

Supports ES5/ES6+, TypeScript, and JSX. The formatter engine recognizes the latest JavaScript language features.

❓ Can I copy the result?

Yes. After beautification, you can one-click copy the formatted code or download it as a .js file.

❓ Is this tool free?

Yes, completely free. No registration or payment required.

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