CS
⚙️ Dev
cssmino
Careful CSS minifier
cssmino is a free, no-sign-up online dev tool: careful css minifier. Everything is computed right in your browser — no data is sent to a server, your information stays private. Fast, ad-free, works on mobile and desktop. Keywords: css, minify, minifier, compresser, front.
FAQ
Is cssmino free?
Yes. cssmino is completely free with no sign-up — careful css minifier. No hidden costs, no credit card.
Is my data sent to a server?
No. cssmino runs 100% in your browser — everything is computed locally, nothing is transmitted or stored. Your data stays private.
Do I need to register or install anything?
No. Open cssmino and start right away — no account, no install. Works on mobile and desktop.