Developer Tools
CSS Minifier
Create compact CSS by removing safe unnecessary whitespace and comments. Strings, URLs, and custom properties are handled carefully.
How to Minify CSS
Step 1
Paste Your CSS
Paste or type the content you want to process.
Step 2
Minify Your CSS
Run the action or review the live result.
Step 3
Copy or Download the Result
Copy or download when you are ready.
CSS Minifier Features
- Safe whitespace reduction
- Careful string handling
- Copy and download
- Clear minify errors
- No CSS execution
Supported Formats
Input formats
- CSS
Output formats
- CSS
Supported formats
- CSS
Frequently Asked Questions
Can minifying break calc()?
The minifier is configured conservatively to avoid unsafe transforms.
Are comments removed?
Yes, standard comments are removed during minify.
Can I format again?
Yes. Use the CSS Formatter.
Private?
Yes.
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