HTML Minifier
Compress HTML by stripping comments, blank lines, and unnecessary whitespace. Faster page loads, better Core Web Vitals.
Paste your HTML
A single page or a snippet.
Click minify
We strip comments and whitespace.
Copy result
Replace the original on your server.
Minify HTML
Why minify HTML?
Every byte your server sends takes time to travel and parse. Comments, indentation, and blank lines help developers but mean nothing to browsers. Stripping them reduces file size by 10–40%, speeding up your Time to First Byte and First Contentful Paint — metrics that Google uses for rankings.
When to minify
- Production deployment. Always.
- Development. Never. Keep human-readable HTML while you work.
- Templates with dynamic data. Minify after rendering, not before, so server logic still works.
Frequently asked questions
How much does HTML minification actually save?
Typically 10–30%. Most savings come from removing comments and whitespace. Gzip compression on top adds another 60–80% reduction.
Does minified HTML break my page?
It should not, as long as your HTML is valid. Tools like this preserve all visible content; only invisible characters are removed.
Should I also minify CSS and JS?
Yes. Minify everything in production. Use our CSS Minifier and combine with a JS minifier.
Does the browser care about whitespace?
Mostly no. Inside <pre> and <textarea>, whitespace matters. This tool preserves those. Everywhere else, browsers collapse whitespace anyway.
Will this hurt my SEO?
No, the opposite. Faster pages rank better. Google measures Core Web Vitals including load time, so minification helps.