Developer

HTML Minifier

Strip comments and extra whitespace from HTML markup to produce a smaller file.

HTML

Minified HTML

How to use the html minifier

Paste your HTML into the input box.
Click Minify.
Copy or download the compressed result.

Features

Removes HTML comments
Collapses whitespace between tags
Copy or download as a ready-to-use .html file

Use minified HTML safely

HTML minification removes redundant whitespace and comments while keeping the document structure. It can reduce transfer size slightly, especially on large generated pages, but compression such as Brotli or gzip usually provides the larger network saving.

Whitespace can be meaningful inside preformatted text, templates and some inline content. Keep the original source and verify pages that contain code samples, email templates or JavaScript-driven markup before deploying the minified version.

Minification should be the final delivery step, not the editing format. Readable source makes accessibility checks, debugging and code review much easier, while the smaller copy can be generated whenever you publish.

If a page is generated by a framework or template system, it is usually safer to minify the final generated HTML rather than editing a minified template by hand.

Frequently asked questions

The minifier only removes comments and collapses whitespace between tags; it doesn't touch tag structure, attributes or inline scripts. As with any minifier, it's worth spot-checking the output on a real page before deploying, especially if you rely on whitespace inside

 tags.

No, only the surrounding HTML is compressed. Use the CSS Minifier or JavaScript Minifier separately for embedded styles or scripts.

Related tools

CSS Minifier

Compress CSS by removing comments, whitespace and redundant characters.

JavaScript Minifier

Reduce JavaScript file size with a light, safe minifier.

JSON Formatter

Format, minify and validate JSON with clear error locations.

URL Encoder / Decoder

Percent-encode or decode a URL or query string.

Protect your editable source

HTML minification is a delivery optimisation, not a replacement for clean source code. Keep the original markup in version control because compressed output is inconvenient to review and maintain.

Validate important pages after minification.
Be careful with whitespace-sensitive inline content.
Combine minification with caching and compression rather than expecting large gains from whitespace removal alone.