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MeowShield

MeowShield is an advanced JavaScript obfuscation tool based on state-of-the-art JSVMP (JavaScript Virtual Machine Protection) technology. It uses full JSVMP virtualization and dynamic code generation from static assets to provide maximum resistance against reverse engineering, analysis, and tampering.

Install / Use

/learn @qq185863818/MeowShield

README

<div align="center"> <a href="https://meowshield.com/"> <img src="https://meowshield.com/img/logo.jpg" alt="MeowShield Logo" width="120" height="120"> </a> <h1>MeowShield</h1> <p> <strong>Professional JavaScript Obfuscation & Protection Platform</strong> </p> <p> <a href="https://meowshield.com/">🌐 Website</a> • <a href="#how-it-works">📚 Documentation</a> • <a href="#license">⚖️ License</a> </p> <p> <!-- Language Switcher --> <a href="#readme-en">🇺🇸 <strong>English</strong></a> | <a href="#readme-cn">🇨🇳 <strong>中文 (Chinese)</strong></a> </p> </div>
<div id="readme-en"></div>

🛡️ Overview

MeowShield is an advanced JavaScript protection tool built on AST (Abstract Syntax Tree) transformation and JavaScript Virtual Machine (JSVM) virtualization technology. It helps developers protect their source code from reverse engineering, tampering, and unauthorized access.

The platform provides multiple protection levels to meet different security requirements while maintaining compatibility with both modern and legacy JavaScript environments.

✨ Features

  • Deep Obfuscation: AST-based deep JavaScript code transformation.
  • Protection Modes:
    • Basic Obfuscation
    • Control Flow Flattening
    • JSVM Protection: Virtualizes code logic for maximum security.
  • Security Enhancements:
    • Variable renaming and encoding.
    • String and constant encryption.
    • Anti-Debugging: Detects dev tools and debuggers.
    • Anti-Formatting: Prevents code beautification.
  • Compatibility: Automated ES5 transformation for legacy browser support.
  • User Interface: Easy-to-use browser-based obfuscation interface.

🎚️ Protection Levels

MeowShield offers three distinct tiers of security configuration:

| Level | Description | | :--- | :--- | | Low | Basic Obfuscation: Renaming variables and removing whitespace. Minimal performance impact. | | Medium | Control Flow Flattening: Restructures code logic to make it hard for humans to follow, plus advanced transformations. | | High | JSVM Virtualization: The strongest protection. Compiles code into custom opcodes run by a virtual machine inside the browser. |

🚀 Use Cases

  • Protecting proprietary algorithms and business logic.
  • Securing SaaS platforms and Web Applications.
  • Preventing unauthorized copying or reverse engineering.
  • Protecting licensing validation and authentication systems.
  • Securing browser-side intellectual property (IP).

🛠️ How It Works

  1. Input: Paste your raw JavaScript code into the editor at meowshield.com.
  2. Config: Select your desired protection options and security level (Low/Medium/High).
  3. Process: Click Obfuscate to trigger the AST and JSVM engine.
  4. Output: Copy or download the secured, production-ready code.

🏆 Advantages

  • Strong Security: Industry-leading anti-reverse engineering capabilities.
  • High Compatibility: Works seamlessly with modern frameworks (React, Vue, etc.) and older environments.
  • Flexibility: Granular configuration options to balance security and performance.
  • Ease of Use: No complex setup required; accessible via web interface.

📄 License

© 2023–2026 MeowShield. All rights reserved.


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MeowShield (中文版)

<div align="center"> <p> <strong>专业的 JavaScript 代码混淆与保护平台</strong> </p> </div>

🛡️ 简介

MeowShield 是一个基于 AST(抽象语法树) 转换和 JSVM(JavaScript 虚拟机) 虚拟化技术的先进 JavaScript 保护工具。它致力于帮助开发者保护源代码,防止被逆向工程、篡改或未经授权的访问。

平台提供多种保护级别,以满足不同的安全需求,同时保持与现代及传统 JavaScript 环境的完美兼容。

🌐 官方网站: https://meowshield.com/zh

✨ 核心功能

  • 深度混淆: 基于 AST 的深层 JavaScript 代码混淆。
  • 多种保护模式:
    • 基础混淆
    • 控制流平坦化 (Control Flow Flattening)
    • JSVM 虚拟化保护: 将代码逻辑虚拟化以实现最高安全性。
  • 安全增强:
    • 变量重命名与编码
    • 字符串与常量加密
    • 防调试保护: 自动检测并阻止调试器运行。
    • 防格式化保护: 防止代码被美化工具还原。
  • 兼容性: 支持 ES5 兼容性转换,适配老旧浏览器。
  • Web 接口: 提供便捷的浏览器端在线混淆界面。

🎚️ 保护级别

MeowShield 提供三个主要的保护层级:

| 级别 | 描述 | | :--- | :--- | | 低 (Low) | 基础混淆组件: 简单的变量重命名和压缩,对性能影响最小。 | | 中 (Medium) | 控制流平坦化: 重构代码逻辑结构,极大增加人工阅读难度,包含高级转换。 | | 高 (High) | 全 JSVM 虚拟化: 最强保护模式。将代码编译为自定义指令集,并在浏览器内部的虚拟机中运行。 |

🚀 应用场景

  • 保护核心算法与私有业务逻辑。
  • 保护 Web 应用程序和 SaaS 平台安全。
  • 防止逆向工程与代码剽窃。
  • 保护授权许可(License)与身份验证系统。
  • 保护浏览器端知识产权。

🛠️ 使用方法

  1. 输入: 将您的 JavaScript 源代码粘贴到 meowshield.com 的输入编辑器中。
  2. 配置: 选择保护选项和安全级别(低/中/高)。
  3. 混淆: 点击 Obfuscate(混淆)按钮。
  4. 输出: 下载或复制保护后的代码即可使用。

🏆 优势

  • 极强的抗逆向能力: 有效对抗各种反混淆工具。
  • 高兼容性: 完美支持主流前端框架及各类运行环境。
  • 配置灵活: 可根据项目需求调整保护策略。
  • 简单易用: 直观的 Web 界面,无需复杂的本地环境配置。
  • 多重防护: 多层防御机制叠加。

📄 版权说明

© 2023–2026 MeowShield. 保留所有权利.


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View on GitHub
GitHub Stars8
CategoryDevelopment
Updated19d ago
Forks0

Languages

JavaScript

Security Score

75/100

Audited on Mar 14, 2026

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