ILSpy

ICSharpCode Team – Open Source

Unpack and Analyze with ILSpy: The Open-Source .NET Decompiler

Boris Weber

12/27/2024

ILSpy is a powerful and reliable tool that allows developers to explore and dissect .NET assemblies with ease, though occasional instability may hinder the user experience.

ILSpy is a free and open-source .NET assembly browser and decompiler developed by the ICSharpCode Team. It allows developers to view the inner workings of compiled .NET assemblies, including examining the IL (Intermediate Language) code and extracting source code.

ILSpy supports multiple platforms, including Windows, macOS, and Linux, and can decompile a wide range of .NET assemblies, including DLL, EXE, and WinMD files. Its user-friendly interface makes it easy to navigate through the assembly and view the code in a variety of formats, such as C# or Visual Basic.

In addition to its basic browsing and decompiling capabilities, ILSpy also includes a powerful search function, the ability to navigate to specific types or members within the assembly, and support for plugins that enhance its functionality.

Key Features:
- Browse and decompile .NET assemblies
- View IL code and extract source code
- Supports multiple platforms
- User-friendly interface
- Powerful search function
- Navigate to specific types or members within the assembly
- Support for plugins

ILSpy is a valuable tool for developers working with .NET assemblies who need to understand their inner workings or extract source code for further analysis or modification.

Overview

ILSpy is a Open Source software in the category Development developed by ICSharpCode Team.

The users of our client application UpdateStar have checked ILSpy for updates 31 times during the last month.

The latest version of ILSpy is currently unknown. It was initially added to our database on 03/16/2022.

ILSpy runs on the following operating systems: Windows.

ILSpy has not been rated by our users yet.

Pros

Free and open-source software
Provides easy-to-use interface for decompiling, analyzing and browsing .NET assemblies
Supports multiple .NET framework versions
Allows users to explore and modify code
Includes features such as syntax highlighting, code searching, and type hierarchy
Can be used to view source code of third-party libraries

Cons

May not always accurately decompile complex assemblies
Limited support for decompiling obfuscated code
Occasional bugs and glitches in the software

FAQ

What is ILSpy?

ILSpy is an open-source .NET assembly browser and decompiler developed by the ICSharpCode Team.

Which programming languages does ILSpy support?

ILSpy supports all .NET languages including C#, Visual Basic .NET (VB.NET), F#, and more.

What features does ILSpy provide?

ILSpy offers various features such as browsing .NET assemblies, decompiling them into source code, analyzing IL code, and searching for types or members.

Can I save the decompiled source code using ILSpy?

Yes, ILSpy allows you to save the decompiled source code in various programming languages like C#, VB.NET, and others.

Is ILSpy cross-platform?

Yes, ILSpy is cross-platform and can be used on Windows, macOS, and Linux operating systems.

What license is ILSpy released under?

ILSpy is released under the MIT License, which allows for free use, modification, and distribution of the software.

Can I contribute to the development of ILSpy?

Yes, ILSpy is an open-source project hosted on GitHub, and contributions are welcome from the community.

Does ILSpy support debugging capabilities?

No, ILSpy is primarily a decompiler and assembly browser. It does not provide full debugging functionalities.

Is there official documentation available for ILSpy?

Yes, ICSharpCode provides official documentation on their website, including a user manual and API documentation.

Can I use ILSpy to modify or recompile assemblies?

No, ILSpy is a decompiler and assembly browser. While it allows you to view and analyze assembly code, it does not provide tools for modifying or recompiling assemblies.

Boris Weber

I am an editor at UpdateStar. I started as a support engineer, and am now specialized in writing about general software topics from a usability and performance angle among others. I telecommute from UpdateStar’s Berlin office, when I am not working remote as a digital nomad for UpdateStar. When I'm not analyzing the latest software updates, you can find me exploring new cities, immersing myself in local cultures, and discovering innovative tech trends across the globe.

Latest Reviews by Boris Weber

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