JavaScript Beautifier

Format and beautify JavaScript code online. Customize indentation, preserve comments, and format your code directly in your browser.

Paste JavaScript code to format it automatically.

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About JavaScript Beautifier

JavaScript Beautifier is a free online tool that formats compressed, minified, or poorly formatted JavaScript code into a cleaner and easier-to-read structure.

How To Use JavaScript Beautifier

  1. Paste your JavaScript code into the input box.
  2. Choose your preferred indentation size.
  3. Choose a quote style if required.
  4. Enable or disable comment preservation.
  5. Click the Beautify button.
  6. Copy or download the formatted JavaScript.

Features

  • Free JavaScript formatting.
  • Runs directly in your browser.
  • Custom indentation.
  • Comment preservation option.
  • Quote style options.
  • Copy formatted code.
  • Download formatted JavaScript.
  • Input and output statistics.
  • Dark mode compatible.
  • No server-side code processing.

Frequently Asked Questions

Is this JavaScript Beautifier free?

Yes. The tool is free to use without registration.

Does the tool upload my JavaScript code?

The formatter is designed to process the code directly in your browser.

Can I choose the indentation size?

Yes. You can choose 2, 4, or 8 spaces.

Can I preserve JavaScript comments?

Yes. Comment preservation can be enabled or disabled from the tool options.

Can I download the beautified code?

Yes. After formatting the code, you can download the result as a JavaScript file.