Code Snippet Formatter

How to use

1. Paste your HTML, CSS, or JavaScript snippet into the input box.
2. Select the language from the dropdown and click Format.
3. Review the formatted output and click Copy to copy it to the clipboard.

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よくある質問

Is this tool free?

Yes, completely free with no signup required.

Does my data 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.