Best JD-GUI Alternatives ranked by AI · updated May 2025

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JD-GUI is a standalone graphical utility that displays Java source codes of .class files.

Price: Free

Top 6 JD-GUI alternatives

3

Bytecode Viewer

Konloch

Bytecode Viewer is a free Java bytecode inspection and decompilation tool for developers, security researchers, and reverse engineers. It combines multiple decompilers,...

Pros

  • Bundles several Java decompilers and disassemblers in one interface
  • Supports browsing archives and inspecting classes without a build environment
  • Includes bytecode editing and analysis features beyond basic decompilation

Cons

  • Interface is less polished than dedicated tools such as Recaf or JD-GUI
  • Results depend on bundled decompiler versions and can vary between engines
  • Uses more memory than lightweight command-line decompilers

Procyon is a Java decompiler that can decompile Java 5 and later bytecode.

Pros

  • Supports Java 8 features
  • Decompile obfuscated code

Cons

  • Limited GUI interface
  • May not handle complex code structures

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