CSS Minifier
Quickly minify your CSS by removing unnecessary spaces, comments, and line breaks. Perfect for optimizing stylesheets for production use.
Original size: 0 bytes | Minified size: 0 bytes | Reduction: 0%
Why use this tool?
CSS minification is an essential step in web development workflows. By stripping out unnecessary characters, you can significantly reduce file sizes and improve page load times.
- Instant results — Minify CSS with a single click, no waiting.
- Safe processing — Preserves all CSS functionality while removing only non-essential characters.
- Private — All processing happens in your browser. Nothing is uploaded.
- Size statistics — See exactly how much space you saved with byte counts and percentage reduction.
How to use
- Paste your CSS code into the input textarea.
- Click Minify CSS to process your code.
- The minified result appears in the output field below.
- Click Copy Result to copy the minified CSS to your clipboard.
Frequently Asked Questions
CSS minification removes all unnecessary characters from CSS code without changing its functionality. This includes whitespace, line breaks, comments, and sometimes shortens values. The result is a smaller file size that loads faster in browsers.
Minified CSS files are smaller, which means faster download times, reduced bandwidth usage, and improved page load speeds. This is especially important for production websites where performance matters.
Yes. All minification happens entirely in your browser. Your CSS code is never sent to any server or stored anywhere.
No. Proper CSS minification only removes non-essential characters like whitespace and comments. The actual styles and functionality remain exactly the same.