dnSpyEx is an unofficial continuation of the dnSpy project which is a debugger and .NET assembly editor. You can use it to edit and debug assemblies even if you don’t have any source code available. Main features:
- Debug .NET and Unity assemblies
- Edit .NET and Unity assemblies
- Light and dark themes
See below for more features
Latest stable release: https://github.com/dnSpyEx/dnSpy/releases
If you like living on the edge you can use the latest “beta” builds from:
git clone --recursive https://github.com/dnSpyEx/dnSpy.git cd dnSpy # or dotnet build ./build.ps1 -NoMsbuild
To debug Unity games, you need this repo too: https://github.com/dnSpyEx/dnSpy-Unity-mono
- Debug .NET Framework, .NET and Unity game assemblies, no source code required
- Set breakpoints and step into any assembly
- Locals, watch, autos windows
- Variables windows support saving variables (eg. decrypted byte arrays) to disk or view them in the hex editor (memory window)
- Object IDs
- Multiple processes can be debugged at the same time
- Break on module load
- Tracepoints and conditional breakpoints
- Export/import breakpoints and tracepoints
- Optional Just My Code (JMC) stepping filters for system libraries
- Call stack, threads, modules, processes windows
- Break on thrown exceptions (1st chance)
- Variables windows support evaluating C# / Visual Basic expressions
- Dynamic modules can be debugged (but not dynamic methods due to CLR limitations)
- Output window logs various debugging events, and it shows timestamps by default :)
- Assemblies that decrypt themselves at runtime can be debugged, dnSpy will use the in-memory image. You can also force dnSpy to alw
