.NET Assembly Decompilation with ILSpy

Use this skill to understand how .NET code works internally by decompiling compiled assemblies.

Prerequisites

• .NET SDK installed
• ILSpy command-line tool available via one of the following:
  • dotnet dnx ilspycmd (if available in your SDK or runtime)
  • dotnet tool install --global ilspycmd

Both forms are shown below. Use the one that works in your environment.

Note: ILSpyCmd options may vary slightly by version. Always verify supported flags with ilspycmd -h.

Quick start