Code Obfuscator

Protect your JavaScript code from being easily analyzed

📖 User Guide

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Code Obfuscator

Free online JavaScript code obfuscation tool to protect your source code from being easily read and analyzed.

Features

Three levels of obfuscation
Rename variables to meaningless names
Remove code comments
Encode string content
Remove unnecessary whitespace
Function name replacement
Code compression wrapping
Real-time preview of obfuscation results

How to Use

Paste JavaScript code to obfuscate
Select obfuscation level (Low/Medium/High)
Configure obfuscation options
Click "Obfuscate" button
Copy the obfuscated code

Use Cases

Protect frontend JavaScript code
Prevent code from being directly copied
Hide business logic
Improve code security
Reduce code readability

Obfuscation Level

LowMediumHigh

Obfuscation Options

Rename VariablesRemove CommentsEncode StringsRemove Whitespace

Input Code

⚠️ Important Notes

• This tool is for code obfuscation only, cannot fully prevent reverse engineering
• Please backup original code before obfuscation
• High-level obfuscation may affect code execution performance
• Test obfuscated code to ensure it works correctly