Opening GMF Files

The GMF file type is primarily associated with Leadwerks Engine.

GMFFile Extension GMF
File extension: GMF
File type:  3D game model

What is a GMF file?

GMF files mostly belong to Leadwerks Engine by Leadwerks. Files with GMF filename extension are primarily associated with 3D graphics files. Leadwerks, a software development kit for video games stores 3D models, animation data, and motion data of game characters in GMF files which can be converted to other 3D formats such as OBJ before being exported. Apart from this, plain ASCII text files that are stored in GMF file format are commonly referred to as Geological Multi-Files (GMF) and they are used to create 3-dimensional visualizations of surface data stored within the files. A Geological Multi-File (GMF) consists of surface and sub-surface geological data used by GIS programs. The usual content of this kind of GMF files are labels of the different sections of the earth's surface, units of measurement, x, y, z coordinates of ground to surface models, and comments about the included data. Robot Arena: Design & Destroy, a PC game stores graphics in GMF files.

How to open GMF files

You need a suitable software like Leadwerks Engine to open a GMF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GMF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GMF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GMF File Viewer

Choose your .gmf file to view this image

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How to convert a GMF file to OBJ, STL, PLY, 3DS, FBX, STP, ...

You can convert GMF files using our online GMF file viewer (powered by Convert.Guru):
  1. Just click the "Choose your .gmf file to view this image" button on this page.
  2. Your GMF file will then be displayed in the browser.
  3. Now click on "Save as..." at the top of the page.
  4. Then select the 3D format (e.g. STL, OBJ, 3DS, X, X3D, STP, PLY, ...) you want.
  5. Download the converted file.

Programs that open and convert GMF files:

  1. Leadwerks Engine by Leadwerks
    See the previous paragraphs to learn more about the main application. GMF files are often referred to as Leadwerks Engine 3d images because this type of file is primarily created or used by this software.
  2. Applause
  3. Great Budget (fringe definition for budget) by Great Budget Software
    Great Budget was a project-centric planning and control system that can be integrated with your existing data or be your primary system. This file format is classified as Data.
  4. Robot Arena: Design & Destroy (game graphics) by Gabriel
    Robot Arena: Design and Destroy is an action video game developed by Gabriel. Players take on the role of robot builders capable of building and customizing combat robots from scrap metal. The GMF files of Robot Arena contain game graphics. This file format is classified as 3D Image. Related links: PyRA2, Robot Arena 2: Design and Destroy on Wikipedia

GMF format details:

Each file has a definite file format, that is, how the stored data is arranged in the file. The first characters in a file identify the file format, for example, HTML files start with the bytes <html>. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Our evaluation of the GMF files is as follows:

GMF is not that commonly used as a file extension. This file type is used by a few programs, each with its own file format. The two most common formats are as follows:

The remaining 40% of all GMF files are files with no common format, such as Freelance Metafile. Just click the "Choose your .gmf file to view this image" button on this page to find out what your GMF file is.

Technical Data for GMF File Extension

File classification:
3D Image
Related files:
Related links:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

ProgramID: Grouper.Live365
EXEFile: %ProgramFiles%\Grouper\Grouper.exe -o %1

ProgramID: GenStat.GMF.6
EXEFile: %ProgramFiles%\Gen6Ed\bin\GenGraph6.exe


a gmf 3D game model is a special file format by Leadwerks and should only be edited and saved with the appropriate software.

How to solve problems with GMF files

  • Associate the GMF file extension with the correct application.
  • Update your software that should actually open 3d game models. Because only the current version supports the latest GMF file format. Search, therefore, e.g. on the Leadwerks manufacturer website after an available Leadwerks Engine update.
  • To make sure that your GMF file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .GMF file online - secure, fast, and no downloads needed.
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