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Tech riderRev. 4 Oct 2026

ILSpy

Ch 176.9of 73 Reverse Engineering Tools
  1. 1Runs onBrowser, Linux, Mac, Windows
  2. 2CostsFree plan
  3. 3License typefree
  4. 4Native-code decompilationNo
  5. 5Bytecode decompilationYes
  6. 6Scripting APIYes
  7. 7Plugin supportYes
7 lines stated Written from the maker's own pages: github.com
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The ILSpy homepage

Overview

ILSpy is ranked #17 of 73 in reverse engineering tools on Specifiction. It runs on Browser extension, Linux, macOS, Windows. There is a free plan.

ILSpy plans and pricing

All plans
ILSpy Free Open-source software · MIT License github.com · 4 Oct 2026

Compared on reverse engineering tools

Free plan
Yesgithub.com
Native-code decompilation
Nogithub.com
Bytecode decompilation
Yesgithub.com
Scripting API
Yesgithub.com
Plugin support
Yesgithub.com
License type
freegithub.com

Facts

Purpose
ILSpy is an open-source, cross-platform .NET assembly browser and decompiler.github.com · 4 Oct 2026
Desktop platforms
The desktop UI runs on Windows, Linux, and macOS and is built on Avalonia.github.com · 4 Oct 2026
C# decompilation
ILSpy decompiles assemblies to C# and supports whole-project decompilation.github.com · 4 Oct 2026
Assembly sources
It can open assemblies from disk, the NuGet feed, running processes, and the GAC, with GAC support limited to Windows.github.com · 4 Oct 2026
Navigation and metadata
Features include searching types, methods, and properties; hyperlink navigation; bookmarks; base and derived type navigation; and an assembly metadata explorer.github.com · 4 Oct 2026
Additional formats
ILSpy includes a BAML-to-XAML decompiler and support for ReadyToRun binaries for .NET Core.github.com · 4 Oct 2026
Integrations
Frontends and related tools include Visual Studio 2022/2026 support, Visual Studio Code extensions, the ilspycmd dotnet tool, PowerShell cmdlets, and NuGet packages.github.com · 4 Oct 2026
Extensibility
The desktop application can be extended with plugins.github.com · 4 Oct 2026
Privacy
ILSpy says it does not collect personally identifiable information, send user files to third-party services, or use an application performance monitoring service to collect telemetry or metrics.github.com · 4 Oct 2026
Security reporting
The project asks that suspected security issues be reported privately by email and says it cannot guarantee a response time, though it strives to respond within one business day.github.com · 4 Oct 2026
Supported versions
The security policy supports the latest released version and the latest preview or release-candidate version.github.com · 4 Oct 2026
Release
The GitHub releases page lists ILSpy 11.1 as the latest release.github.com · 4 Oct 2026

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Where it ranks on Specifiction

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