JavaScript Tools

JavaScript Deobfuscator

JavaScript Deobfuscator — unpack eval/Base64 wrappers and beautify the result. 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 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 JavaScript Deobfuscator

  
    
      
  1. Type or paste your text into JavaScript Deobfuscator's input area.
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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

  
Everything JavaScript Deobfuscator does happens on your own device. JavaScript Deobfuscator is a free JavaScript Tools utility that runs in your browser, doing its work on the input you provide without a backend.

  
Because it runs on your device, it is fast and private and works offline once loaded. It behaves the same on desktop and mobile, with nothing stored remotely.

  
Frequently asked questions

  

      
What is JavaScript Deobfuscator for?
JavaScript Deobfuscator lets you process your input right in the browser, with the result shown instantly and nothing uploaded.

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

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

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

  

  
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