🧪 Sulfur

Sulfur is a new, fast, lightweight, open-source .JAR file decompiler and bytecode viewer built in Java with a Swing UI.

Think of it as a simpler Recaf/Jbytedit — drop in any .JAR file and instantly browse its classes, view decompiled Java (Procyon or CFR) and readable bytecode (ASM Textifier).

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✨ Features (WIP)

• 🔍 JAR Browser — opens any .jar file and shows you the entire package/class tree
• 🪄 Dual View — displays decompiled Java and ASM bytecode side-by-side
• ⚡ Search function — live filter classes by name
• 🛠️ One-click run — no config needed; just open JARs on the fly!
• 🧩 Pattern analyzer — built-in pattern recognition for common string encryption methods

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Requirements

• Java 17+ (tested with Java 21)
• Gradle 8+ (wrapper included)

🚀 Installation

Build & Run

git clone https://github.com/k0nnect/sulfur.git
cd sulfur
./gradlew run

Or alternatively, you can build a runnable JAR:

./gradlew clean shadowJar

🤝 Contributing

Pull requests are welcome! If you’re adding a feature or fixing a bug, open an issue first to discuss what you’d like to change.

📜 License

• MIT License

Credits

• ASM 9.8 — for bytecode parsing & text output
• Procyon/CFR — decompiler engine(s)
• Java Swing — UI <3