CSS Minifier
Minify CSS online — strips comments and whitespace safely, with before/after size comparison.
How to use
Paste your CSS and click Minify. You'll see the compact output plus before/after sizes and the percentage saved.
Frequently asked questions
Is this CSS minifier free?
Yes, free with no signup or limits.
Is the minified CSS safe?
Comments and whitespace are removed safely; strings and url() values are preserved.
Is my CSS uploaded?
No, everything runs in your browser.
☕
ToolZap is free forever
Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.
💛 Donate via PayPal