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JD-GUI icon

JD-GUI

1.6.6
0 0 reviews
155 downloads
security security

Browse and recover compiled Java code

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Nelson de Benito icon
Reviewed by
Nelson de Benito
Content Strategist
Nelson de Benito is part of Uptodown's in-house Editorial Team. Translated by Uptodown Localization Team

JD-GUI is a graphical decompiler for reconstructing and browsing Java source code from compiled files.

Open classes, packages, and full modules

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The program supports CLASS, JAR, WAR, EAR, AAR, KAR, JMOD, and ZIP files. Files can be opened normally or dropped directly onto the window. Once loaded, JD-GUI displays the hierarchy of Java classes and modules, making it easier to move between packages, methods, and fields.

Color-coded code and stack trace navigation

Reconstructed source code is shown with syntax highlighting, helping you identify classes, variables, and other language elements more quickly. You can also drop LOG files containing stack traces onto the program. JD-GUI will decompile the related classes and display the line of code referenced in the error.

Download JD-GUI to inspect compiled Java files on Windows through a visual interface designed for navigating code.

JD-GUI is for you if

✓ You need a visual way to inspect decompiled Java classes, packages, and modules easily
✓ You value opening CLASS, JAR and other archives via drag-and-drop from your file explorer
✓ You seek highlighted source and stack-trace navigation to pinpoint exact lines causing Java errors

Information about JD-GUI 1.6.6

Basic information

Developer Java Decompiler
Category Web Development
Rating All ages
Languages English

Distribution model

Pricing Free
License GPL 3.0
Source code
Copyright © 2026 Java Decompiler
Why is this app published on Uptodown? (More information)

Security and privacy

Required permissions Not applicable
See security and antivirus report

Download info

Downloads 155
Date Jul 22, 2026
File type ZIP
Size 1.3 MB
SHA256 79c231399d3d39d14fce7607728336acb47a6e02e9e1c5f2fa16e2450c0c46cb
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Available for other platforms

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