CSS Minifier
Compress your CSS code by removing whitespace, comments, and unnecessary characters. See the compression ratio and bytes saved. Essential for optimizing website performance.
How to use
- Paste your CSS (or a single component’s styles) into the input box.
- Click Minify to remove whitespace, line breaks, and comments.
- Review the output to ensure it still behaves the same in the browser.
- Copy the minified CSS into your production build or inline <style> block.
- If you’re debugging, compare original vs minified to confirm no accidental edits were introduced.
FAQ
Will minifying CSS break my layout?
Minification should not change CSS meaning; it mainly removes non-essential characters. If something breaks, check for invalid CSS or edge-case hacks first.
Can I minify CSS for a production build without uploading it?
Yes. The CSS minifier runs entirely in your browser; your stylesheet is not sent to a server.
Does this tool also autoprefix or optimize CSS?
This tool focuses on minification (size reduction). For autoprefixing or deeper optimizations, use a build tool like PostCSS.
What’s the difference between minifying and gzip/brotli compression?
Minifying reduces the source text size. Gzip/brotli are network transfer compressions applied by your server/CDN. Most sites benefit from both.