JD-GUI
JD-GUI is a graphical Java decompiler that reconstructs and displays source code from compiled ".class" files for reverse engineering and code analysis purposes.
Free15,050
Free15,050
JD-GUI
JD-GUI is a graphical Java decompiler that reconstructs and displays source code from compiled ".class" files for reverse engineering and code analysis purposes.
Data verified May 2026
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JD-GUI is a standalone graphical utility designed for decompiling and displaying Java source code from compiled ".class" files. The tool reconstructs readable Java source code from bytecode, allowing users to browse methods and fields through an intuitive graphical interface. The application supports multiple deployment options including JAR files, Windows executables, Mac OSX applications, and Linux packages (DEB/RPM). Users can open files through the file menu, access recently opened files, or use drag-and-drop functionality from their file explorer. JD-GUI provides instant access to decompiled Java code, making it useful for reverse engineering, code analysis, and understanding the structure of compiled Java applications. The tool operates as a cross-platform solution that can be launched through various methods including double-clicking executable files or running via command line with Java.
JD-GUI FAQ
Common questions about JD-GUI including features, pricing, alternatives, and user reviews.
JD-GUI is JD-GUI is a graphical Java decompiler that reconstructs and displays source code from compiled ".class" files for reverse engineering and code analysis purposes. It is a Security Operations solution designed to help security teams with Reverse Engineering, Binary Analysis, Open Source.
JD-GUI is a free Security Operations tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://github.com/java-decompiler/jd-gui/ for download and installation instructions.
Popular alternatives to JD-GUI include:
1.Boomerang Decompiler - An open source machine code decompiler that converts binary executables into readable C source code across multiple architectures and file formats. (Free)
2.Nightwing DejaVM - Whole-system emulation environment for software dev, debugging, testing & security (Commercial)
3.Zenyard RE Agent - AI agent for in-depth binary analysis and reverse engineering assistance. (Commercial)
4.PinCTF - PinCTF is a Python wrapper tool that uses Intel's Pin framework to instrument binaries and count instructions for reverse engineering analysis. (Free)
5.Fridump - Fridump is an open source memory dumping tool that uses the Frida framework to extract accessible memory addresses from iOS, Android, and Windows applications for security testing and analysis. (Free)
Compare all JD-GUI alternatives at https://cybersectools.com/alternatives/jd-gui
JD-GUI is for security teams and organizations that need Reverse Engineering, Binary Analysis, Open Source. It's particularly suitable for small to medium-sized teams looking for cost-effective solutions. Other Security Operations tools can be found at https://cybersectools.com/categories/security-operations
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