JavaScript Obfuscator
Select up to 20 JavaScript files (.js) to obfuscate
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Secure your JavaScript code from theft and reverse-engineering. Our obfuscator transforms your readable code into a protected version that works exactly the same but is extremely difficult to understand or modify.
Code Protection
Transform your code into an unreadable format to prevent unauthorized use or analysis.
Full Functionality
Your obfuscated code will work exactly like the original, just harder to decipher.
No Server Processing
All obfuscation happens in your browser - your code never leaves your computer.
How to Obfuscate JavaScript
1
Paste Your Code
Enter your JavaScript code directly or upload a .js file.
2
Configure Options
Adjust obfuscation settings for your needs (optional).
3
Get Obfuscated Code
Download or copy your protected JavaScript instantly.
Frequently Asked Questions
No, obfuscation makes code difficult to understand but doesn't encrypt it. The code remains executable without a key, just harder to read and reverse-engineer.
There might be minimal performance impact depending on obfuscation settings, but for most applications the difference is negligible.
While technically possible with enough effort, good obfuscation makes reverse-engineering extremely time-consuming and impractical.
Our tool can handle files up to 1MB in size. For larger files, consider splitting your code into modules.
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