JavaScript Tools

JS Deobfuscator

JS Deobfuscator — decode packed JavaScript and beautify the readable output. It works entirely in your browser, with nothing uploaded to any server.

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

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

Obfuscated JavaScript
Unpacked & beautified



  
How to use JS Deobfuscator

  
    
      
  1. Enter or paste your text into the input field to begin.
    2. 
      
  2. JS Deobfuscator updates the output automatically as you type.
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  3. Finish by choosing Copy to take the output with you.
    4. 
  

  
About this tool

  
There is no server behind JS Deobfuscator. JS Deobfuscator 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. No data is sent anywhere, so it stays fast and private by default.

  
Frequently asked questions

  

      
How do I use JS Deobfuscator?
JS Deobfuscator runs entirely on your device: add your input, and it processes it locally in real time.

      
Do I need an account for JS Deobfuscator?
No — JS Deobfuscator needs no account, sign-up or installation.

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

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

  

  
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