JavaScript Tools

JavaScript Compressor

JavaScript Compressor — compress JavaScript by stripping comments and whitespace. It works entirely in your browser, with nothing uploaded to any server.

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

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

JavaScript input
Minified JavaScript



  
How to use JavaScript Compressor

  
    
      
  1. Enter or paste your text into the input field to begin.
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  2. Watch the output update instantly while you adjust the text.
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  3. Finish by choosing Copy to take the output with you.
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About this tool

  
JavaScript Compressor runs entirely in your browser. JavaScript Compressor is a free JavaScript Tools utility that runs in your browser, doing its work on the input you provide without a backend.

  
It is designed to do one job well and stay out of your way. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

  
Frequently asked questions

  

      
What does JavaScript Compressor do?
Use JavaScript Compressor to process your input without installing anything; everything happens client-side.

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

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

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

  

  
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