CSS Tools

CSS Compare

CSS Compare — compare two CSS snippets and see the rule differences. It runs entirely in your browser, so nothing is uploaded and it keeps working offline.

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

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

CSS A
CSS B
Differences



  
How to use CSS Compare

  
    
      
  1. Drop your CSS into the field at the top of CSS Compare.
    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

  
There is no server behind CSS Compare. CSS Compare processes CSS in your browser, applying the transformation to the styles you paste without altering their meaning.

  
Nothing about your stylesheet is uploaded. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

  
Frequently asked questions

  

      
What is CSS Compare for?
CSS Compare runs entirely on your device: add your input, and it compares it locally in real time.

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

      
Is my input private in CSS Compare?
Yes — your input never leaves your device; CSS Compare does all the work in your browser.

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

      
Does CSS Compare work offline?
Once the page has loaded, CSS Compare keeps working with no network connection.

  

  
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