JavaScript Obfuscator

Protect JavaScript code with obfuscation

Original JS
Obfuscated Output
0 bytes → 0 bytes
0%

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What is JavaScript Obfuscation?

Obfuscation transforms readable code into a protected version that's hard to understand but functionally identical. It uses techniques like variable renaming, string encryption, control flow flattening, and dead code injection to prevent reverse engineering and protect intellectual property.

Frequently Asked Questions

Is obfuscation the same as encryption?
No. Encryption requires decryption to run, while obfuscated code runs directly. Obfuscation makes code harder to read but doesn't prevent determined attackers. It's a deterrent, not a security guarantee.
Does obfuscation affect performance?
Minimally. The code runs the same logic but may be slightly slower due to added complexity. Compact mode balances protection with performance. Modern obfuscators aim for minimal impact.
What techniques are used?
Lexical renaming (a, b, c), string splitting ("Hello" → ['He','llo'].join('')), control flow flattening (switch statements), and dead code injection. Our tool combines these for effective protection.