Side by side
dnSpyEx vs JD-GUI
Both stand on decompiler software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxWindows
dnSpyEx combines debugging, decompilation, editing, and assembly analysis at no cost. Its dynamic-method limitation and Wine-based Linux use are important constraints.
Visit dnSpyEx Free plan LinuxMacWindows
JD-GUI focuses on browsing Java bytecode as reconstructed source, including files referenced by stack traces. It does not cover native-code decompilation.
Visit JD-GUIThe facts
| dnSpyEx | JD-GUI | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | github.com | java-decompiler.github.io |
| On decompiler software | #8 of 24 | #12 of 24 |
dnSpyEx: what it does well
- Debugs .NET Framework, .NET, and Unity assemblies
- Edits C#, Visual Basic, and low-level IL
- Includes decompilers, disassembly, and assembly analysis
- Free and GPLv3-licensed
What to know first
- Dynamic methods cannot be debugged
- Linux use is through Wine, not native support
- Unity game debugging also requires the Unity Mono repository
JD-GUI: what it does well
- Displays color-coded reconstructed Java source.
- Handles CLASS files and multiple archive formats.
- Can show source lines associated with stack traces.
- Free and released under GPLv3.
What to know first
- Does not decompile native code.
- The project targets Java 5 bytecode and later.
- JD-Eclipse is an Eclipse plug-in, not JD-GUI.
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