# Obfuscator.io Deobfuscator: Unmasking Obfuscated JavaScript Code

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Obfuscator.io Deobfuscator is a powerful tool designed to reverse the obfuscation applied by Obfuscator.io, a popular JavaScript obfuscator. It helps developers and security researchers understand and analyze obfuscated code by recovering strings, simplifying expressions, and reversing control flow flattening. This project offers both an online version and a command-line interface for convenient use.

GitHub: https://github.com/ben-sb/obfuscator-io-deobfuscator
OSRepos URL: https://osrepos.com/repo/ben-sb-obfuscator-io-deobfuscator

## Summary

Obfuscator.io Deobfuscator is a powerful tool designed to reverse the obfuscation applied by Obfuscator.io, a popular JavaScript obfuscator. It helps developers and security researchers understand and analyze obfuscated code by recovering strings, simplifying expressions, and reversing control flow flattening. This project offers both an online version and a command-line interface for convenient use.

## Topics

- deobfuscation
- javascript
- reverse-engineering
- typescript
- security
- tools
- code-analysis

## Repository Information

Last analyzed by OSRepos: Sun Mar 08 2026 13:21:04 GMT+0000 (Western European Standard Time)
Detail views: 5
GitHub clicks: 3

## Safety Notice

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## Content

## Introduction

The `obfuscator-io-deobfuscator` project provides a robust solution for deobfuscating JavaScript code processed by Obfuscator.io. This tool is essential for anyone needing to analyze or debug code that has been intentionally obscured, offering features like string recovery, proxy function removal, and control flow flattening reversal.

## Installation

To use the command-line interface (CLI) version of the deobfuscator, you can install it globally via npm:

bash
npm install -g obfuscator-io-deobfuscator


## Examples

Once installed, you can deobfuscate a script by providing the input file and an optional output file:

bash
obfuscator-io-deobfuscator <input> -o [output]


For example, to deobfuscate `obfuscated.js` and save the result to `deobfuscated.js`:

bash
obfuscator-io-deobfuscator obfuscated.js -o deobfuscated.js


## Why Use It?

This deobfuscator stands out due to its comprehensive feature set and safety. It can recover strings, remove proxy functions, simplify arithmetic expressions and string concatenations, and reverse complex control flow flattening. The tool is designed to be safe, as it does not execute any untrusted code, and it includes automatic configuration detection, making it highly effective for various obfuscator.io forks.

## Links

For more details, contributions, or to try the online version, visit the official project links:

- [GitHub Repository](https://github.com/ben-sb/obfuscator-io-deobfuscator){:target="_blank"}
- [Online Deobfuscator](https://obf-io.deobfuscate.io){:target="_blank"}