JavaScript Formatter
Format and beautify JavaScript code with Prettier. Free JS prettifier, private and fast.
100% private
JavaScript input
Formatted JS
Auto-playing walkthrough — paste input, click format, see the result
Result appears here after processing…How to use JavaScript Formatter
- Paste your JavaScript code.
- Click Format for consistent style.
- Adjust tab width if needed before formatting.
Frequently Asked Questions
- What style does it use?
- Prettier defaults: 2-space indent, semicolons, and standard JavaScript formatting rules.