HTML Cleanup — Clean & Format HTML Online
Turn messy HTML into tidy, readable code. This HTML cleanup tool strips comments, removes blank lines, trims whitespace, fixes quote styles and pretty-prints your markup — right in your browser, completely free.
HTML Cleanup FAQ
It removes HTML comments, collapses blank lines, trims whitespace between tags, converts tag names to lowercase, normalizes attribute quotes to double quotes and pretty-prints the markup with proper indentation.
No. Everything runs in your browser with JavaScript — your code never leaves your device. You can also use the tool fully offline.
No. The cleanup only removes redundant characters and formatting. Removing comments can slightly reduce file size, and formatting changes nothing visually.
The formatter focuses on the HTML markup structure. Inline CSS and JS content inside style and script tags is left untouched to avoid breaking it.
Yes — completely free, no registration, no limits. Use it for personal and commercial projects.
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