Or directly: https://www.telerik.com/download/justdecompile
| Tool | Offline Installer | Free | Key Feature | |------|------------------|------|--------------| | | Yes (portable ZIP) | Yes | Debugger + decompiler | | ILSpy | Yes (GitHub releases) | Yes | Open-source, lightweight | | JetBrains dotPeek | Yes (MSI via JetBrains site) | Yes | Navigation + assembly explorer | telerik justdecompile offline installer link
👉 https://downloads.telerik.com/justdecompile/JustDecompileSetup.exe Or directly: https://www
Introduction: Why .NET Developers Need a Reliable Decompiler In the world of .NET development, there are moments when you need to look under the hood. Perhaps a third-party library is throwing an exception without clear documentation, you’ve lost the source code for an old legacy project, or you simply want to learn how a particular framework feature is implemented. It comes as a portable ZIP – no installation required
dnSpy, in particular, is a favorite among security researchers and modders. It comes as a portable ZIP – no installation required. As a service to our readers, here are the verified direct download links for the offline installer. Check the comments on the article for updates if these links change.
However, one common pain point persists: Many developers are forced to use online web installers, which require a constant internet connection, or worse, third-party download sites laden with adware and outdated versions.
Enter – a powerful, free .NET decompiler that allows you to recover source code from compiled assemblies (DLLs and EXEs). It competes with paid tools like .NET Reflector but remains entirely free for developers.