dnSpy

dnSpy is a free and open-source tool tailored for debugging, decompiling, and editing .NET and Unity assemblies—even without source code. It supports light/dark themes and portable use, making it popular among developers and reverse engineers.

Features

Runtime debugging of .NET and Unity assemblies
Edit and recompile IL code live
High-fidelity decompiler (C#, IL view)
Portable app—no installation needed
Light and dark UI theme options
Free and open-source under GPLv3

Project Samples

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License

MIT License

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Additional Project Details

Operating Systems

Windows

Programming Language

Related Categories

C# Debuggers

Registered

2025-07-07

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dnSpy

.NET debugger and assembly editor

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Features

Project Samples

Project Activity

Categories

License

Follow dnSpy

User Reviews

Additional Project Details

Operating Systems

Programming Language

Related Categories

Registered