jd-gui ☆

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Description:
Standalone Java Decompiler GUI

Type: Cask | Latest Version: 1.6.6@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: java decompiler reverse-engineering development jar

Install: brew install --cask jd-gui

About:
JD-GUI is a standalone graphical utility that offers advanced Java decompilation capabilities. It allows developers to easily browse and reconstruct source code from compiled Java class files, providing a clear view into application logic. This tool is invaluable for understanding third-party libraries, debugging without source access, and performing security analysis.

Key Features:

Supports multiple decompilation engines (including Fernflower, JD-Core, and CFR)
Intuitive tree-based navigation for classes, methods, and fields
Cross-platform compatibility via Java
Drag-and-drop interface for opening JAR and class files

Use Cases:

Analyzing third-party Java libraries when source code is unavailable
Recovering lost source code from compiled Java applications
Security auditing to identify potential vulnerabilities in compiled code

Alternatives:

Fernflower – IntelliJ IDEA's decompiler engine; often used as a library or command-line tool rather than a standalone GUI.
Procyon – A modern command-line decompiler known for excellent Java 8+ language feature support.

Version History

Detected	Version	Rev	Change	Commit
Aug 5, 2025 2:20pm	1.6.6	0	VERSION_BUMP	6532219a