JavaScript Formatter

Beautify · Minify · Format JavaScript

Free online JavaScript formatter and minifier. Beautify messy JS code or minify it for production. Works entirely in your browser — no upload needed.

✓ Free Forever ✓ No Login ✓ 100% Client-Side ✓ No Data Sent ✓ Mobile Friendly

JS JAVASCRIPT FORMATTER Beautify · Minify · Format JavaScript

Indent:

Input JavaScript

Output

Input Size 0B

Lines 0

Frequently Asked Questions

What does a JS Formatter do?

It takes minified or unformatted JavaScript and adds proper indentation, line breaks and spacing so the code is easy to read.

Can I also minify JS?

Yes! Click Minify to compress JavaScript by removing comments, whitespace and unnecessary characters.

Is this safe for sensitive code?

Yes — everything runs in your browser. Your code never leaves your device.

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