All Tools
CSS Minifier
Minify and compress CSS code to reduce file size for production. Removes whitespace and comments.
All processing happens in your browser. Your data never leaves your device.
How to Use CSS Minifier
- 1Paste or type your input in the left panel.
- 2Click Process or use the keyboard shortcut ⌘↵.
- 3View the result in the output panel. Use Copy to copy to clipboard or Download to save as a file.
This tool processes data locally in your browser. Nothing is sent to external servers.
Examples
Example input
# Example for CSS Minifier
# Paste your content in the input panel above to get started.Frequently Asked Questions
What does CSS minification do?
It removes whitespace, comments, and unnecessary characters to reduce CSS file size.
How much size reduction can I expect?
Typically 20-40% file size reduction depending on the original CSS.
Will minification break my CSS?
No, semantically equivalent CSS is produced — just without formatting.
Does it remove comments?
Yes, all comments are removed during minification.
Is it safe for production?
Yes, minified CSS is standard practice for production web apps.