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JS Beautifier

Format and beautify compressed JavaScript code.

A powerful free JS Beautifier for developers. provides js beautifier functionality for your code directly in your browser with zero setup required. Supports common formats and standards used in modern web development.

How to Use JS Beautifier

Paste your code or data in the input field, follow the on-screen instructions to use the js beautifier. Output is formatted and ready to copy.

Features

  • ✓ Free JS Beautifier tool
  • ✓ 100% client-side processing
  • ✓ No signup or download required
  • ✓ Works on all modern browsers
  • ✓ Mobile-friendly responsive design

Use Cases

  • → Frontend development
  • → Backend debugging
  • → Code review
  • → Data transformation
javascript beautify formatter developer code

Frequently Asked Questions

Yes, JS Beautifier is completely free. There are no hidden charges, subscriptions, or premium tiers. The tool runs entirely in your browser.
Absolutely. JS Beautifier processes everything locally in your browser. No data is ever sent to our servers or any third party.
Yes, JS Beautifier is fully responsive and works on smartphones, tablets, and desktop computers with any modern browser.

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