JavaScript Tools

JavaScript Unobfuscator

JavaScript Unobfuscator — reverse common obfuscation wrappers and beautify the code. It runs locally in your browser with no uploads and no sign-up.

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

JavaScript Unobfuscator 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 Unobfuscator

  1. Type or paste your text into JavaScript Unobfuscator's input area.
  2. JavaScript Unobfuscator updates the output automatically as you type.
  3. Finish by choosing Copy to take the output with you.

About this tool

Everything JavaScript Unobfuscator does happens on your own device. JavaScript Unobfuscator 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. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

Frequently asked questions

What does JavaScript Unobfuscator do?

Use JavaScript Unobfuscator to process your input without installing anything; everything happens client-side.

Does JavaScript Unobfuscator cost anything?

No — JavaScript Unobfuscator is completely free, with no sign-up and no hidden limits.

Does JavaScript Unobfuscator upload my data?

No — JavaScript Unobfuscator processes everything locally in your browser, so nothing you enter is uploaded or stored.

Can I use JavaScript Unobfuscator without a connection?

Yes — after the first load JavaScript Unobfuscator runs entirely offline.

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