JavaScript Tools

JavaScript Obfuscator

JavaScript Obfuscator — pack JavaScript into a reversible, obfuscated wrapper. 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 Obfuscator is a free JavaScript Tools utility that runs entirely in your browser — nothing you enter is uploaded.

JavaScript input
Obfuscated output



  
How to use JavaScript Obfuscator

  
    
      
  1. Paste the text you need to process into the input box.
    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. 
  

  
About this tool

  
JavaScript Obfuscator is a static, client-side tool with no backend. JavaScript Obfuscator 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. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

  
Frequently asked questions

  

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

      
Does JavaScript Obfuscator cost anything?
No — JavaScript Obfuscator is completely free, with no sign-up and no hidden limits.

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

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

  

  
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