Click the "Select File" button above, and choose your GMAX file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert GMAX to another file type
To convert GMAX 3D models to another format, you need Autodesk gmax or other 3D software.
Convert a file to GMAX
To convert other file formats to the "3D Scene File" file type, you need software like Autodesk gmax or a similar tool.
About GMAX files
The .gmax file is a 3D modeling scene file created by Autodesk gmax, a discontinued, free derivative of Autodesk 3ds Max. It was primarily used in the early 2000s by game modders to create custom 3D assets for video games like Quake III Arena, Microsoft Flight Simulator, and Trainz. Because it relies on the Microsoft Compound file structure, it stores complex hierarchical scene data, geometry, and material references in a single binary container.
Users need to convert .gmax files because the original software is dead, relies on legacy Windows environments, and requires a discontinued registration system. The format is a heavily restricted, proprietary closed binary. Autodesk deliberately crippled the .gmax format by removing native rendering and standard export capabilities (such as OBJ, FBX, or 3DS) to prevent cannibalizing commercial 3ds Max sales. This makes it notoriously difficult to handle today. Standard online converters fail to process it because the 3D geometry data is intentionally locked inside the proprietary structure.
If you need to recover the geometry, the best target formats are OBJ or FBX, but direct online conversion is incredibly rare. You typically lose animation rigs and complex material shaders during any conversion. Emphasize that often only the original software can properly read or export the data using custom game-specific plugins. We can identify the Microsoft Compound structure, inspect the binary file, and show embedded text or internal metadata. If our analysis detects a supported underlying or embedded format, viewing or extraction may still be possible.
Convert.Guru analyzes your GMAX file, detects the exact format, and lets you read the text inside.
If you want to convert GMAX file to OBJ, you can use Autodesk gmax or similar software from the "3D Game Modding Scene" category. In the File menu, look for Save As… or Export….
To convert files to GMAX, try Autodesk gmax or another comparable tool in the "3D Game Modding Scene" category.
The GMAX Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our GMAX converter.