Skip to content

ILSpy vs WinMerge

Professional comparison and analysis to help you choose the right software solution for your needs.

ILSpy icon
ILSpy
WinMerge icon
WinMerge

ILSpy vs WinMerge: The Verdict

⚡ Summary:

ILSpy: ILSpy is a free, open-source .NET assembly browser and decompiler. It allows you to view and analyze the contents of .NET assemblies in C# and other .NET languages.

WinMerge: WinMerge is an open source differencing and merging tool for Windows. It allows you to compare both folders and files, presenting differences in a visual text format that is easy to understand and handle. It is useful for consolidating changes between project versions or managing code branches.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature ILSpy WinMerge
Sugggest Score — —
Category Development Development
Pricing Open Source Open Source

Product Overview

ILSpy
ILSpy

Description: ILSpy is a free, open-source .NET assembly browser and decompiler. It allows you to view and analyze the contents of .NET assemblies in C# and other .NET languages.

Type: software

Pricing: Open Source

WinMerge
WinMerge

Description: WinMerge is an open source differencing and merging tool for Windows. It allows you to compare both folders and files, presenting differences in a visual text format that is easy to understand and handle. It is useful for consolidating changes between project versions or managing code branches.

Type: software

Pricing: Open Source

Key Features Comparison

ILSpy
ILSpy Features
  • Decompile .NET assemblies into C# and other .NET languages
  • Navigate and view the contents of assemblies
  • Search for types, methods, properties, etc.
  • View metadata and attributes for types and members
  • Compare different versions of assemblies
  • Plugin architecture to extend functionality
WinMerge
WinMerge Features
  • File and folder comparison
  • 3-way merge
  • Syntax highlighting
  • Regular expression search
  • Folder synchronization
  • Shell integration
  • Plugin support

Pros & Cons Analysis

ILSpy
ILSpy

Pros

  • Free and open source
  • Works on Windows, Linux and Mac
  • Supports wide range of .NET assembly versions
  • Integrates with Visual Studio
  • Active development and user community

Cons

  • Limited decompilation of obfuscated assemblies
  • No official support offered
  • UI is basic and unpolished in places
  • Steep learning curve for some advanced features
WinMerge
WinMerge

Pros

  • Free and open source
  • Intuitive visual interface
  • Powerful comparison and merging capabilities
  • Highly customizable
  • Cross-platform compatibility

Cons

  • Limited to text-based files
  • Steep learning curve
  • Occasional bugs

Pricing Comparison

ILSpy
ILSpy
  • Open Source
WinMerge
WinMerge
  • Open Source

Related Comparisons

Beyond Compare
vs ILSpy vs WinMerge

Learn More About Each Product

ILSpy
ILSpy
Reviews, pricing & alternatives →
WinMerge
WinMerge
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

ILSpy Alternatives
WinMerge Alternatives
Browse More Software