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.

Compress JavaScript to fewer bytes for compact delivery. Example: paste a script and get a version with whitespace and comments removed.
Compress JavaScript
  1. Paste a JavaScript bundle.
  2. Remove whitespace to compress it.
  3. Copy the compressed code.
Example: compress a JS bundle by removing whitespace before embedding it.
Use to make a bundle lighter for delivery.
Client-sideRuns entirely in your browser — your data never leaves your device.

JavaScript Compressor is a browser-based web developer tool on WebDevToolsBase. JavaScript Compressor — compress JavaScript by stripping comments and whitespace. It works entirely in your browser, with nothing uploaded to any server. To use it, paste your input and view the result directly in your browser — no signup and nothing to install.

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

JavaScript input
Minified JavaScript


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How to use JavaScript Compressor

  
    
      
  1. Enter or paste your text into the input field to begin.
    2. 
      
  2. Watch the output update instantly while you adjust the text.
    3. 
      
  3. Finish by choosing Copy to take the output with you.
    4. 
  

  
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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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