CSS Minifier
Shrink stylesheets by stripping whitespace.
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About CSS Minifier
Remove comments and whitespace to shrink CSS to its smallest form, with before/after sizes.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Frequently Asked Questions about CSS Minifier
How do I use the CSS Minifier?
Open the CSS Minifier and use the controls in the workspace below: shrink stylesheets by stripping whitespace. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the CSS Minifier free?
Yes. The CSS Minifier is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the CSS Minifier store or share my data?
No. The CSS Minifier runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the CSS Minifier for?
Remove comments and whitespace to shrink CSS to its smallest form, with before/after sizes. You will find it grouped under Developer Tools together with 75 other free tools on the PrimeFreeTools homepage.