ILSpy vs x64dbg
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About ILSpy
ILSpy is the open-source .NET assembly browser and decompiler. It supports decompilation of .NET assemblies to C# with high-quality output, including support for modern C# features like async/await, LINQ, and pattern matching. ILSpy can decompile entire assemblies or individual types and members, with the ability to search across loaded assemblies and navigate type hierarchies. It supports .NET Framework, .NET Core, .NET 5+, and Mono assemblies. Unlike dnSpy, ILSpy focuses purely on decompilation and browsing rather than debugging and editing, making it lighter and more focused. It's available as a standalone Windows application, a VS Code extension, and a command-line tool (ilspycmd) for cross-platform use. ILSpy is actively maintained and is the most widely used open-source .NET decompiler.
About x64dbg
x64dbg is an open-source binary debugger for Windows, designed for malware analysis and reverse engineering of executables when source code is not available. It supports both x64 and x32 applications and provides features comparable to commercial debuggers like IDA Pro's debugger. Key capabilities include a full-featured disassembler, graph view for control flow visualization, conditional breakpoints with scripting support, a built-in assembler for live patching, memory map visualization, and an extensive plugin ecosystem. x64dbg includes IDAPython-style scripting, supports TLS callbacks and anti-debug bypass, and can handle packed/obfuscated binaries. Its active community maintains plugins for everything from API monitoring to de-obfuscation, making it the go-to free debugger for Windows binary analysis.
Platform Support
Tags
ILSpy only
x64dbg only