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CSS Minifier is a free online tool that reduces the size of CSS code by removing comments, extra whitespace, and unnecessary characters. Runs entirely in your browser with no server required.

CSS minification removes all unnecessary characters from CSS source code — including comments, spaces, and newlines — without changing its visual effect. Minified CSS files load faster in browsers, improving page performance and reducing bandwidth usage for end users.

CSS Minifier

Minify CSS code by removing comments and whitespace.

How to Use

  1. Paste your CSS code into the input field
  2. Click the Minify CSS button
  3. The tool will instantly remove comments and whitespace
  4. Copy the minified output to use in your project

Example

Input

/* Reset */
body {
  margin: 0;
  padding: 0;
}

Output

body{margin:0;padding:0}

FAQ

What does CSS Minifier do?
It removes comments, extra whitespace, and newlines from CSS code to reduce file size and improve page load performance.
Is this tool free?
Yes, it is completely free with no registration required.
Does this tool run in the browser?
Yes, all processing happens locally in your browser and no data is sent to a server.

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