Does it minify inline CSS and JavaScript?

Yes. The contents of and tags can be minified as part of the HTML minification process.

What are optional tags?

Some HTML tags like closing or can be omitted per spec. Minifiers can remove these to reduce size further.

No. Minified HTML renders identically to formatted HTML. Search engines read and index it the same way.

Standard HTML minifies well. Templating syntax (Jinja, Handlebars, etc.) may not minify correctly and could break templates.

No. Use formatted HTML for development. Minify for production deployment to improve page load performance.

Minify HTML code to reduce file size. Remove whitespace, comments, and optional tags. Optimize for faster page loads. Free, private, works offline.

HTML Input

0 bytes

Minified HTML

0 bytes

Minification Options

Remove comments

Collapse whitespace

Remove optional tags

Remove attribute quotes

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It removes unnecessary whitespace, comments, and optional tags while preserving functionality, reducing file size for faster downloads.

Typically 10-30% reduction depending on how much whitespace and comments are in your original HTML.

No. The minifier preserves all functionality. Only non-essential whitespace and comments are removed.

Yes. All minification happens in your browser using JavaScript. No data is sent to any server.

Conditional comments (for IE) and copyright comments starting with /*! are preserved by default.

Yes. The contents of