CSS Unminify
Reformat minified CSS into readable, indented rules with one declaration per line.
- Runs in your browser
- Free to use
About this tool
CSS Unminify turns a compressed stylesheet into readable, indented CSS with one declaration per line, which makes it possible to find the rule that styles an element, to diff two builds or to learn how a site is put together. Processing runs locally with vkBeautify.
How to use it — quick steps
- 01
Enter the minified css
Type or paste the minified css in the field above. Nothing is uploaded. Use Ctrl + V to paste.
- 02
Adjust the options
Pick the settings that fit your case; the defaults work for most people. Changes apply instantly.
- 03
Press "Unminify CSS"
Press "Unminify CSS" or Ctrl + Enter. The result appears below in an instant. Results can be copied.
Key features of this tool
Nothing leaves your browser
The processing is plain JavaScript that runs on your device: the text you paste is never uploaded to our servers or to anyone else.
Instant results
Results appear the moment you press the button, even for long inputs, and every block has copy and download actions.
Works everywhere
No installation, no account and no limits: the tool works on desktop and mobile, in any modern browser, as often as you like.
Frequently asked questions
Can I use this on a whole framework file?
Yes, large files format in a moment; the output can be downloaded.
Are comments kept?
Yes, comments present in the input are preserved.
Are my files or data uploaded?
No. The tool is plain JavaScript that runs in your browser; the files or data you provide here are never uploaded to our servers.