CSS Minifier
Minify CSS to reduce file size or beautify compressed CSS back to a readable format. Results update live.
How to Use CSS Minifier
To minify CSS, paste your stylesheet code into the input area. The tool removes all comments, unnecessary whitespace, and line breaks to produce the most compact CSS output. The minified result appears in the right panel instantly, ready to copy.
The stats panel shows the original size, minified size, and the percentage reduction achieved. Minified CSS loads faster in browsers because there is less data to download. This tool is ideal for preparing stylesheets for production deployment.
Frequently Asked Questions
What does CSS minification do? expand_more
CSS minification removes all comments, whitespace, line breaks, and unnecessary characters that are not required for the stylesheet to function. The result is smaller file that browsers parse identically to the original.
Does minifying CSS break styles? expand_more
No. Minification only removes formatting characters that browsers ignore. The CSS rules, selectors, and property values are preserved exactly, so page appearance is unchanged.
How much file size reduction can I expect? expand_more
Typical CSS files see 20–50% size reduction after minification. Files with many comments or heavy indentation may see larger gains.
Should I minify CSS for production websites? expand_more
Yes. Serving minified CSS reduces page load time and bandwidth consumption. Most build tools and frameworks minify CSS automatically in production builds.
Can I minify inline CSS from an HTML file with this tool? expand_more
You can copy CSS code from style blocks or external stylesheets and paste it into this tool. It processes any valid CSS regardless of where it originally came from.
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