and dnSpy are the most popular free alternatives, both offering excellent support for modern .NET and an active open-source community.
. Because it is no longer supported or offered as part of the Progress Developer Tools portfolio, official offline installer links from the Telerik website are no longer active Telerik.com Status of Official Downloads Official Removal : The product has been retired, and no new downloads
(for assembly editing) and deobfuscation support make it more than just a code viewer. Clean Output:
It supports robust API plugins, allowing you to extend its core functionality to fit specialized security or analysis workflows. telerik justdecompile offline installer link
An open-source .NET assembly browser and decompiler. It is widely regarded as a modern, updated successor in functionality to older decompilers. 3. Official Source Code Access (Engine)
JustDecompile remains one of the fastest and most user-friendly .NET decompilers available. However, since it has been moved to a "community-supported" or sunset status by Telerik, securing a clean offline installer has become a hurdle for developers working in restricted environments. Key Strengths Blazing Fast Performance:
Developers can still access and contribute to the decompilation code via the official JustDecompile GitHub Repository and dnSpy are the most popular free alternatives,
: Historically, JustDecompile was available as both a standard MSI installer and a ZIP file for portable use. Archive and Legacy Links
Once the JustDecompile_<version>.msi file is downloaded, installation is simple:
If you previously downloaded the tool, you can continue to use it perpetually. Clean Output: It supports robust API plugins, allowing
Switch the download type from "Automatic/Web Installation" to the standalone options.
Note: JustDecompile_Latest.msi is a redirect that always points to the newest stable build. Use this for scripting.
Despite our best efforts, Progress occasionally moves or deprecates older offline links. If you cannot find a working , consider these alternatives:
For those using legacy versions, JustDecompile remains powerful due to its: Reconstructs C# code efficiently.
If you managed to retain a previous version of the JustDecompile installer (e.g., an MSI or EXE file), you can still install it.