.NET Assembly Decompilation with ILSpy

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

Quick start

# Decompile an assembly to stdout (no install needed with .NET 10+)
dnx ilspycmd MyLibrary.dll

# Decompile to an output folder
dnx ilspycmd -o output-folder MyLibrary.dll

Common .NET Assembly Locations