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CSS Minifier

Paste your CSS code to minify it instantly. Removes comments, collapses whitespace, strips trailing semicolons, and removes unnecessary zeros.

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How to use CSS Minifier

  1. Paste your CSS code into the input field.
  2. Click Minify CSS.
  3. View the minified output and compression stats.
  4. Copy the minified CSS for your project.

What is CSS Minifier?

This CSS minifier reduces the size of your CSS code by removing comments, collapsing whitespace, removing trailing semicolons before closing braces, removing leading zeros (0.5 → .5), and stripping units from zero values (0px → 0).

Minified CSS loads faster and reduces bandwidth. All processing happens in your browser — no code is sent to any server.

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FAQ

Is minified CSS safe to use?
Yes — minification only removes whitespace and comments. The CSS rules and properties remain identical. Your styles will work exactly the same.
How much smaller will my CSS be?
Typically 30-60% smaller depending on how many comments and how much whitespace your original CSS contains.

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Author

MW
Marcus Webb"The DevTool Craftsman"

Full-Stack Developer & Tools Architect

Marcus has been writing code since the dial-up era. He has contributed to open-source developer tools, built CI/CD pipelines for startups, and debugged production incidents at 3 AM more times than he would like to admit. His philosophy is that the best developer tool is the one that gets out of your way, and he writes about practical tooling that helps teams ship faster with fewer headaches.

📖 CSS Minifier on Wikipedia·Developer Tools on Wikipedia·CSS Minifier on Britannica

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