CSS Tools

CSS Minifier

CSS Minifier — minify CSS by removing comments and whitespace. It runs entirely in your browser, so your data is never uploaded and it works fully offline.

Client-sideRuns entirely in your browser — your data never leaves your device.

CSS Minifier is a free CSS Tools utility that runs entirely in your browser — nothing you enter is uploaded.

CSS input
Minified CSS



  
How to use CSS Minifier

  
    
      
  1. Start by adding the CSS you want to minify into CSS Minifier.
    2. 
      
  2. The result is computed live in your browser as you edit the input.
    3. 
      
  3. Finish by choosing Copy to take the output with you.
    4. 
  

  
About this tool

  
Everything CSS Minifier does happens on your own device. CSS Minifier processes CSS in your browser, applying the transformation to the styles you paste without altering their meaning.

  
Modern CSS syntax is preserved so your selectors and values come back intact. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

  
Frequently asked questions

  

      
How do I use CSS Minifier?
CSS Minifier lets you minify your input right in the browser, with the result shown instantly and nothing uploaded.

      
Does CSS Minifier cost anything?
No — CSS Minifier is completely free, with no sign-up and no hidden limits.

      
Where is my data processed by CSS Minifier?
Entirely in your browser — CSS Minifier keeps your data on your own machine and sends nothing anywhere.

      
Does CSS Minifier support modern CSS syntax?
Yes. CSS Minifier handles current CSS in your browser and leaves your selectors and values untouched.

      
Can I use CSS Minifier without a connection?
Yes — after the first load CSS Minifier runs entirely offline.

  

  
Related css tools