JavaScript Tools

Online JavaScript Minifier

Online JavaScript Minifier — an online JavaScript minifier that shrinks your code. It works entirely in your browser, with nothing uploaded to any server.

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

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

JavaScript input
Minified JavaScript



  
How to use Online JavaScript Minifier

  
    
      
  1. Drop your text into the field at the top of Online JavaScript Minifier.
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  2. Online JavaScript Minifier updates the output automatically as you type.
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  3. Use Copy to keep or reuse the result.
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About this tool

  
There is no server behind Online JavaScript Minifier. Online JavaScript Minifier 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. It behaves the same on desktop and mobile, with nothing stored remotely.

  
Frequently asked questions

  

      
How do I use Online JavaScript Minifier?
Use Online JavaScript Minifier to minify your input without installing anything; everything happens client-side.

      
Is Online JavaScript Minifier free to use?
Yes — Online JavaScript Minifier is completely free, with no usage limits.

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

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

  

  
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