Code Tools

Compare Two Files

Compare Two Files — compare two files line by line, entirely in your browser. Nothing is uploaded, it works offline once loaded, and there is no sign-up.

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

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

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How to use Compare Two Files

  
    
      
  1. Drop your text into the field at the top of Compare Two Files.
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  2. Tune the First file, Second file controls before you compare.
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  3. The result is computed live in your browser as you edit the input.
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  4. Use Copy to keep or reuse the result.
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About this tool

  
Everything Compare Two Files does happens on your own device. Compare Two Files handles your input locally and returns the result instantly, with no sign-up.

  
Because it runs on your device, it is fast and private and works offline once loaded. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

  
Frequently asked questions

  

      
How do I use Compare Two Files?
Use Compare Two Files to compare your input without installing anything using the First file, Second file controls; everything happens client-side.

      
Is Compare Two Files free to use?
Yes — Compare Two Files is completely free, with no usage limits.

      
Does Compare Two Files upload my data?
No — Compare Two Files processes everything locally in your browser, so nothing you enter is uploaded or stored.

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

  

  
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