JavaScript Formatter

Beautify JavaScript, minify code, remove comments, and copy the output.

How to use JavaScript Formatter / Minifier

Paste JavaScript

Add your JavaScript code into the input editor.

Beautify code

Use Beautify JS to format your code into readable lines.

Minify JS

Use Minify JS to remove comments, spaces, and line breaks.

Review output

Check the formatted or minified JavaScript in the output box.

FAQ

Frequently asked questions

What can the JavaScript formatter do?

It beautifies minified or messy code into readable indented JavaScript and can also minify it back.

Is my code uploaded to a server?

No, all formatting runs locally in your browser.

Is the JavaScript formatter free?

Yes, completely free with unlimited formatting.

Can I minify JavaScript as well as format it?

Yes, switch between beautify mode for readable code and minify mode for smaller production files.

Does the JavaScript formatter work offline?

Yes, once the page loads, all formatting runs locally with no internet connection needed.