Gma_tools.exe Apr 2026
Use the "Create" or "Publish" function in the tool to select your folder and compile it.
Ensure your folder contains a valid addon.json file with the necessary metadata. gma_tools.exe
: A modern, cross-platform GUI wrapper for Windows, macOS, and Linux. Use the "Create" or "Publish" function in the
: Easily unpack Garry's Mod Addon (.gma) files to access their underlying assets like models, textures, and sounds. cross-platform GUI wrapper for Windows
: Many versions allow you to simply drag a .gma file onto the executable to trigger extraction automatically. How to Use GMA Tools Extraction :
Are you trying to or publish your own creation to the Steam Workshop?
: Compile your raw folders (containing Lua scripts, maps, etc.) into the compressed .gma format required for the Steam Workshop.