Protect your source code from stealing. Paste text or upload a .js file,
turn it into hard-to-read code, then download the result.
Drag & drop a .js file here
or click to choose a file from your device
Obfuscating code...
Everything you need to protect your source code in one place
Paste plain text or upload a JavaScript file — both fully supported.
Control flow, dead code, string encoding, and many other advanced options.
Download the result as a ready-to-use .js file in one click.
All processing happens in your browser. Your code is never sent to a server.
Three easy steps to obfuscate your code
Paste JavaScript text or upload a .js file from your device.
Choose the protection level that suits your needs, from light to extreme.
Click the obfuscate button, then copy or download the result.