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JavaScript Formatter

Formatters & Beautifiers

Format and beautify JavaScript code instantly. Free, private — all processing in your browser.

Input

Output

How to use

1. Enter or paste your data in the input area above
2. Adjust settings or options as needed
3. Click the action button or see real-time results
4. Copy the result with the copy button

All processing happens in your browser. Nothing is sent to any server.

About this tool

Format and beautify JavaScript code with proper indentation, semicolons, and bracket placement. Supports ES6+ syntax including arrow functions, template literals, destructuring, async/await, and optional chaining. Use it to clean up minified JavaScript, format generated code, and improve readability for code review and debugging.

FAQ

▶Is the JavaScript Formatter free to use?

Yes, completely free. No signup, no premium tiers, no hidden costs.

▶Is my data safe when using the JavaScript Formatter?

All processing happens in your browser. Your data never leaves your device.

▶Does the JavaScript Formatter work on mobile?

Yes, fully responsive. Works on smartphones, tablets, and desktops.

▶Do I need to install anything?

No. It runs entirely in your web browser. Just open the page and use it.

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