Windows 10, Windows 11, or Windows Server equivalents.
The tool features an open API, allowing developers to create custom plugins or use community-driven ones. Popular plugins include Reflexil (for assembly editing) and Deobfuscator tools. 3. Visual Studio Integration
IT administrators can package the offline installer for silent, automated deployment across multiple workstations.
A popular tool for reverse engineering and debugging .NET assemblies (community-maintained forks available). telerik justdecompile offline installer updated
Telerik JustDecompile is a free, robust .NET decompilation tool designed to convert compiled assemblies (DLL or EXE files) back into readable C#, VB.NET, or Intermediate Language (IL).
: It handles traditional .NET assemblies as well as APPX and WinMD (WinRT) file formats. How to Get the Offline Installer
Telerik JustDecompile has long been a favorite in the .NET ecosystem because it is fast, lightweight, and completely free. However, modern development environments often include secure labs, air-gapped networks, or low-bandwidth zones where standard web installers fail. Windows 10, Windows 11, or Windows Server equivalents
Sample blog/announcement post (longer): "Telerik has released an updated offline installer for JustDecompile. This all‑in‑one package contains the latest stable binaries and dependencies so you can install or deploy JustDecompile without requiring internet access. The offline installer is ideal for IT administrators managing large rollouts, for use in air‑gapped environments, or whenever a reproducible, single‑file installer is preferred. Before deploying, review the updated release notes for bug fixes and compatibility updates, verify the provided checksum, and use the documented silent-install switches to automate mass deployments. Visit Telerik’s official downloads page to get the offline installer."
Migrating your development pipeline from JustDecompile to a modern alternative like ILSpy is straightforward.
If you’ve been relying on the web installer but need a consistent, repeatable deployment (especially on build agents or offline workstations), this update is for you. Telerik JustDecompile is a free, robust
Available on Windows, Linux, and macOS via various ports and command-line tools.
Since JustDecompile does not support modern frameworks like .NET 8 or .NET 9, switching to active alternatives is highly recommended.