CSS Minifier
Minify CSS stylesheets to reduce file size and improve website loading speed. Handles vendor prefixes.
BEFORE
.hero {color : red ;
margin : 0px ;
/* comment */
}
AFTER MINIFY
.hero{color:red;margin:0}
Input CSS
0 chars
Output
—
How to Use CSS Minifier
01
Paste your CSS code
02
Click Minify
03
Copy the minified CSS
Why Use This Tool
100% Private
Your data never leaves your browser. Nothing is uploaded to any server.
Instant Results
Modern browser APIs deliver results in milliseconds with no waiting.
Free Forever
No subscriptions, no credits, no paywalls — ever.
Frequently Asked Questions
Does it remove comments?
Yes — all comments are stripped in the minified output.
Does it handle vendor prefixes?
Yes — all vendor-prefixed properties are preserved.
Can it format CSS too?
Yes — a Beautify mode is also available.
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