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GMF Converter
Fast GMF conversion for Windows. reaConverter processes large batches reliably, without crashes or timeouts.
How to Convert .gmf Files in Bulk
1. Install reaConverter
2. Select GMF Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless GMF file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.
Extra Tools
Do more with your files
Converting GMF files for use in a larger project? reaConverter offers many ways to process files, so you can customize them according to your requirements.
Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.
User reviews
From those who tried it
Average User Rating:Last updated on June 25, 2026
Questions & Answers
GMF files: Frequently Asked Questions
What are GMF files?
The GMF file format is associated with GammaFax, a model of PC fax board released in mid-1980s by GammaLink. A GMF file most likely contains the image of a sent or received fax document, or the result of other processes related to faxing. GMF files are considered archaic and obsolete.
Can reaConverter open GMF files?
reaConverter fully supports the GMF file format – open, edit, and export GMF files to any other popular file format with ease.
How do I change GMF to another format?
reaConverter is a user-friendly tool for converting GMF files. Once installed on your computer, it allows you to convert all your .gmf files at once with just a few clicks. You can even convert gmf images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert GMF online?
If you only want to convert a few GMF files, you are welcome to try our free online GMF converter.
How can I turn GMF files on my computer to another format?
The best way to convert GMF files on your PC is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from GMF.
How can I automate GMF files conversion?
reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.
Can I convert GMF files using scripts or the command-line interface?
reaConverter provides full access to all its features from the Windows command-line shell, including the command-line gmf converter.
What else can I do with reaConverter?
Convert Gerber imagesConvert RGB to CMYKConvert raster to vectorChange image bit depthConvert CAD formats
What formats can I convert a GMF file to?
Discover More
Beyond GMF conversion
Convert .gmf files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
