Paste CSS
Minified CSS
Free Online CSS Minifier
Minify CSS online by removing comments and unnecessary whitespace. Copy or download compact CSS for a smaller production stylesheet.
How to use this tool
This CSS minifier removes comments, line breaks, and spacing that browsers do not need. The result is a compact stylesheet that is easier to transfer in a production build.
- 1
Paste your stylesheet
Place the CSS you want to compress in the input editor.
- 2
Minify the code
Run the minifier to remove unnecessary characters while preserving the stylesheet rules.
- 3
Review the result
Check the compact CSS in the output panel and test it with your page before deployment.
- 4
Copy or download
Copy the result to your project or download the generated minified file.
CSS Minifier FAQ
What is a CSS Minifier?
A CSS Minifier is a tool that removes unnecessary spaces, comments, and characters from CSS code to reduce file size and improve loading speed.
Does minifying CSS affect functionality?
No, minifying CSS does not change how your styles work. It only removes extra characters while keeping the functionality intact.
What elements are removed during CSS minification?
The tool removes whitespace, line breaks, comments, and unnecessary semicolons without affecting the CSS output.
Can I use minified CSS in production?
Yes, minified CSS is recommended for production environments as it helps improve website performance and load time.
Is my CSS data safe when using this tool?
Yes, your CSS is processed locally in your browser and is not stored or shared with any server.