Formatter · Coming Soon

JavaScript Beautifier

Paste minified or messy JavaScript and get back clean, readable code with proper indentation and formatting — instantly in your browser.

Get notified the day we launch. No spam, ever.

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--Hours

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What to expect

Built for developers

Paste minified or compressed JavaScript and get back readable, well-formatted code with configurable indentation options.

⚡

Instant & in-browser

Runs client-side. Your data never leaves your browser.

🚫

Zero ads

No ads, no trackers, no popups. Pure focus.

📂

File & paste support

Paste code or upload files. Both modes supported.

🔗

Shareable links

Share output with teammates via a permanent link.

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Dark & light mode

Adapts to your system preference automatically.

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Mobile friendly

Fully responsive. Works on any screen size.

About this tool

OpenFormatter's JavaScript Beautifier formats and beautifies JS code online for free. Supports ES5, ES6+, arrow functions, template literals, destructuring, and modern JS syntax. Configurable indent size (2 or 4 spaces, or tabs), brace style, and semicolons. All processing happens in your browser — your code never leaves your device.

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