CSS Minifier
Strip comments and extra whitespace from CSS locally.
Your input stays in your browser. Nothing is uploaded.
Input
Output
About this tool
Minification removes comments and collapses whitespace outside of strings. It does not rename classes.
How it works
Paste CSS, minify, and copy. Keep a formatted original for editing.
strip comments + collapse whitespace
Examples
Rule
body { color: red; } becomes body{color:red}.
FAQ
Safe for production?
It is a conservative whitespace minifier. Test after minifying unusual CSS.
Is my data uploaded?
No. Formatting, encoding, and generation run in your browser.
Can I use this offline after the page loads?
Yes, as long as the page stays open. Nothing is sent to a SmartKitio API.