Free HTML Minifier
Make HTML smaller for faster loads: this strips comments and collapses the whitespace between tags while carefully leaving the contents of pre, textarea, script and style blocks untouched. Paste, minify and copy — all in your browser.
- 100% free
- Private & safe
- Runs in your browser
Why use HTML Minifier?
HTML Minifier is a quick, no-nonsense developer utility that runs entirely client-side, so your code and data never leave your machine.
- Runs instantly in your browser — nothing to install, nothing uploaded.
- Completely free, with no account, no watermarks and no usage limits.
- Input/Output: HTML
- Paste your HTML.
- Works on any device — desktop, tablet and phone — and is fully keyboard accessible.
How to use HTML Minifier
- Paste your HTML.
- Click Minify.
- Comments and extra whitespace are removed.
- Copy or download the smaller HTML.
Examples
- Trimming a template before shipping.
- Reducing page weight for performance.
Supported formats & limits
- Input/Output: HTML
Limitations
- Whitespace between inline elements is collapsed, which can slightly affect spacing.
- Does not rename classes or inline assets.
Frequently asked questions
Does it break my scripts or styles?
No — the contents of script, style, pre and textarea are preserved exactly.
Is it uploaded?
No — minification runs entirely in your browser.
Will it keep IE conditional comments?
Yes — conditional comments starting with [if are preserved.
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