Minify CSS
Minify CSS — minify CSS to reduce file size for production. It runs entirely in your browser, so your data is never uploaded and it works fully offline.
Minify CSS is a browser-based web developer tool on WebDevToolsBase. Minify CSS — minify CSS to reduce file size for production. It runs entirely in your browser, so your data is never uploaded and it works fully offline. To use it, paste your input and view the result directly in your browser — no signup and nothing to install.
Minify CSS is a free CSS Tools utility that runs entirely in your browser — nothing you enter is uploaded.
How to use Minify CSS
- Paste the CSS you need to minify into the input box.
- Minify CSS updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
Minify CSS runs entirely in your browser. Minify CSS works on your stylesheet locally and returns the result instantly.
Modern CSS syntax is preserved so your selectors and values come back intact. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
What is Minify CSS for?
Minify CSS lets you minify your input right in the browser, with the result shown instantly and nothing uploaded.
Does Minify CSS cost anything?
No — Minify CSS is completely free, with no sign-up and no hidden limits.
Is my input private in Minify CSS?
Yes — your input never leaves your device; Minify CSS does all the work in your browser.
Does Minify CSS support modern CSS syntax?
Yes. Minify CSS handles current CSS in your browser and leaves your selectors and values untouched.
Can I use Minify CSS without a connection?
Yes — after the first load Minify CSS runs entirely offline.