← Package directory
Available on winget

Install ILSpy

Cross-Platform .NET assembly browser and decompiler.

Install with winget
winget install --id icsharpcode.ILSpy.Preview
Upgrade
winget upgrade --id icsharpcode.ILSpy.Preview
Uninstall
winget uninstall --id icsharpcode.ILSpy.Preview

About ILSpy

Cross-Platform .NET assembly browser and decompiler.

What's new in 11.0.0.9223-preview1

Warning We DO NOT own the domain ilspy[.]org See #3709 Download ILSpy only from GitHub Releases! This release is based on .NET 10.0. Please make sure that you have it installed on your machine beforehand. Note for Mac users: see https://github.com/icsharpcode/ILSpy/wiki/Build-Artifacts#running-the-macos-artifact because the ILSpy.app is neither signed nor notarized. Avalonia Cross Platform Port - PR #3755: Avalonia 12 Port and Removal of the WPF UI - PR #3759: Metadata explorer cleanup, flags-filter fixes, and WPF row-details parity - PR #3766: Round-trip the legacy WPF SessionSettings shape - PR #3768: Build, test, and package ILSpy on Linux and macOS in CI - PR #3861: Show text-based resources inline with syntax highlighting - PR #3875: Avalonia 12.1 - PR #3876: Keep BAML decompilation working when WPF assemblies are missing New Features - PR #3847: Unpack !AvaloniaResources into per-file resource tree nodes - PR #3801: Fix #3797: resolve ilspycmd -t type names with fuzzy matching - PR #3789: Add a bookmarks feature for the decompiled C# view - PR #3786: Add omnibar breadcrumb and search bar above the decompiled code - PR #3769: Make the override modifier a link to the overridden member - PR #3762: Add Open from NuGet feed dialog for browsing and opening packages User Interface - PR #3857: Fix #2078: Generic local functions not highlighted properly - PR #3855: Fix #3845: Add option to expand XML documentation comments - PR #3814: Toggle the fold under the right-click, not at the caret - PR #3812: Syntax-colour analyzer signatures with bold type names (#2164) Enhancements...

Read release notes

Version history

Version Updated Notes
11.0.0.9223-preview1 Unknown Warning We DO NOT own the domain ilspy[.]org See #3709 Download ILSpy only from GitHub Releases! This release is based on .NET 10.0. Please make sure that you have it installed on your machine beforehand. Note for Mac us...
10.0.0.8323-preview3 Unknown This preview release is based on .NET 10.0. Please make sure that you have it installed on your machine beforehand. Enhancements - Dedicated UI and Decompiler APIs for C# 14 extensions #3680 Contributions - Fix in errone...
10.0.0.8282-preview2 Unknown This preview release is based on .NET 10.0. Please make sure that you have it installed on your machine beforehand. New Language Features - Update pattern detection to Roslyn 5.0 RTM - C# 13: allows ref struct constraint...
10.0.0.8079-preview1 Unknown This preview release is based on preview 6 of .NET 10.0. Please make sure that you have it installed on your machine beforehand. New Language Features - #3467: C# 12 InlineArrays - #3500: Added .NET 10 as test target - #...