HTML Minifier

HTML minification strips every byte from a markup document that doesn't affect how the browser renders it: comments, indentation, whitespace between tags, default attribute values, optional closing tags, and empty attributes. The output is byte-identical in behavior — the browser's parser treats minified and pretty-printed HTML the same way — but typically 10–25% smaller before gzip. Combined with brotli or gzip, you get another 5–15% reduction because compression is more efficient on already-compact text. HTML is the first byte the browser parses, so trimming it directly improves Time to First Byte and First Contentful Paint, especially on mobile networks. This minifier handles the full pass in your browser — paste markup, hit minify, copy the result. Pair it with the CSS Minifier and JavaScript Minifier for a full production build.