Yes, completely free with no signup or usage limit.

Is my data uploaded to a server?

No. Everything runs directly in your browser.

Does this reformat CSS or JavaScript inside the HTML?

Content inside and tags is left as-is; only the surrounding HTML structure is re-indented.

Paste minified or messy HTML and get a readable, indented version. Processed entirely in your browser.

HTML input

: Yes, completely free with no signup or usage limit.
: No. Everything runs directly in your browser.
: Content inside <script> and <style> tags is left as-is; only the surrounding HTML structure is re-indented.