What is JavaScript Obfuscation?

JavaScript obfuscation is a technique used to make JavaScript code difficult to read and understand. It involves transforming the code into a version that retains its functionality but is harder for humans (or automated tools) to analyze and reverse-engineer. This is often used to protect intellectual property, prevent unauthorized copying, or deter tampering.

Tool for JavaScript Obfuscation

Humanify (opens in a new tab) is a tool that can help make obfuscated JavaScript code more readable. Here’s a brief overview:

• Purpose: Humanify de-obfuscates JavaScript code to make it easier for developers to understand and analyze. It works by reversing many of the common obfuscation techniques.

• Features:

  • Renaming Restoration: It attempts to restore obfuscated variable and function names to their more descriptive counterparts.
  • Code Formatting: It reformats the obfuscated code to improve readability, making it easier to follow the logic.
  • String Decoding: It can decode strings that have been encrypted or encoded.

Using Humanify can be particularly useful when you encounter JavaScript that has been heavily obfuscated and you need to perform analysis or debugging.

Tool: https://github.com/jehna/humanify (opens in a new tab)