CSS Minifier
Minify CSS by removing comments, whitespace and unnecessary characters to make stylesheets load faster.
100% free No signup Private & offline-ready Works in your browser
About the CSS Minifier
Minified CSS is smaller, so your pages download and render faster — a direct boost to Core Web Vitals. The minifier strips comments and whitespace, removes the last semicolon in each block, shortens zero values and six-digit colors like #ffffff to #fff.
Frequently asked questions
Is the CSS Minifier free?
Yes. The CSS Minifier on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.