CSS Minifier
Shrink your CSS by removing whitespace and comments. Instant, private.
Private by architecture: this tool runs entirely in your browser. Nothing is uploaded anywhere.
Questions, answered.
Is my CSS uploaded?
No. Minification runs entirely in your browser.
Is it safe?
It removes comments and unnecessary whitespace only. Always test the output and keep your original.
How much smaller?
Typically 15–30%. The tool shows before/after sizes.