HTML Minifier — Reduce File Size Instantly

HTML Minifier — Reduce Page Size for Faster Loading

Minified HTML reduces file size by removing comments, unnecessary whitespace, and line breaks. Smaller HTML files load faster, which improves user experience and can boost your search engine rankings. This tool shows exactly how many bytes you save.

The minifier strips comments, collapses whitespace between tags, removes optional closing tags where safe, and collapses boolean attributes (e.g., 'disabled="disabled"' becomes 'disabled'). Optional settings let you control which optimizations to apply.

HTML minification typically saves 10-30% of file size depending on how the original was formatted. While gzip compression on the server handles much of the whitespace overhead, minified HTML compresses even better — the savings stack. For pages served millions of times, even a few kilobytes saved per request adds up to significant bandwidth reduction.

Always keep your unminified source files for development. Minify only the production output. Modern build tools like Webpack, Vite, and Next.js minify HTML automatically during production builds, but this tool is useful for one-off minification of static pages, email templates, or HTML snippets.

For a complete optimization workflow, combine HTML minification with our CSS and JavaScript minifiers. After minifying, use our Meta Tag Generator to verify your page still has all required meta tags intact.