JavaScript Tools

Un-minify JS

Un-minify JS — expand minified JavaScript back into readable, indented 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.

Un-minify JS is a free JavaScript Tools utility that runs entirely in your browser — nothing you enter is uploaded.

Minified JavaScript input
Beautified JavaScript



  
How to use Un-minify JS

  
    
      
  1. Drop your text into the field at the top of Un-minify JS.
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  2. Adjust the Indent option to match what you need.
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  3. Watch the output update instantly while you adjust the text.
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  4. Use Copy to keep or reuse the result.
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About this tool

  
There is no server behind Un-minify JS. Un-minify JS handles your input locally and returns the result instantly, with no sign-up.

  
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 Un-minify JS?
Un-minify JS runs entirely on your device: add your input using the Indent control, and it minifies it locally in real time.

      
Is Un-minify JS free to use?
Yes — Un-minify JS is completely free, with no usage limits.

      
Where is my data processed by Un-minify JS?
Entirely in your browser — Un-minify JS keeps your data on your own machine and sends nothing anywhere.

      
Does Un-minify JS work on mobile?
Yes — Un-minify JS is just a web page and runs on any modern browser, including phones and tablets.

  

  
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