Yes, completely free with no signup required.

Does my code leave my device?

No. Everything runs in your browser — nothing is sent to any server.

Does it work on mobile?

Yes. The tool is mobile-first and works on any modern browser including iOS Safari and Android Chrome.

Paste HTML, CSS, or JavaScript and get cleanly indented, formatted output in one click.

100% client-side · no upload

Input

Output

Paste your HTML, CSS, or JavaScript snippet into the input box.
Click Format HTML, Format CSS, or Format JavaScript to indent and clean up your code.
Review the formatted output and click Copy to copy it to your clipboard.

Is this tool free?: Yes, completely free with no signup required.
Does my code leave my device?: No. Everything runs in your browser — nothing is sent to any server.
Does it work on mobile?: Yes. The tool is mobile-first and works on any modern browser including iOS Safari and Android Chrome.

Last updated: 2026-05-20 By jarvisbox