GMF Converter

Fast GMF conversion for Windows. reaConverter processes large batches reliably, without crashes or timeouts.

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reaConverter
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GMF Files
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How to Convert .gmf Files in Bulk

1. Install reaConverter

Download reliable GMF conversion software to convert multiple .gmf files and folders in one go.
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Install reaConverter

2. Select GMF Files

Select GMFs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load GMF files

3. Start Conversion

Click Convert to start the bulk conversion of all selected GMF files. The process will begin right away.
reaConverter - Start GMF conversion

Convert GMF on your PC

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.

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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.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on June 25, 2026
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer
"I deal with hundreds of images daily, and reaConverter has been a lifesaver. The Watch Folders feature lets me automate file conversions without lifting a finger. I set up a folder for incoming files and it automatically resizes, renames, and converts them into the formats I need. It's like having a personal assistant!"
Sarah T.
Sarah T.
Graphic Designer
"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."
Malik T. Martin
Malik T. Martin
Satisfied Customer
"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
Jamal Bailey
Jamal Bailey
Satisfied Customer
"Tried a few image tools before, but this one is by far the easiest. Drag, drop, convert — done in seconds. It saved me a ton of time when organizing my image folders."
Lisa K.
Lisa K.
Happy User
"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"
Richard E. Miller
Richard E. Miller
Satisfied Customer

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 DICOM imagesResize pictureConvert Gerber imagesCrop picturesConvert CAD formats

What formats can I convert a GMF file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  cit  dcm  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  step  stl  stp  svg  svgz  tga  tif  tiff  u3d  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

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.
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Free trial · Windows 10/11 · 64-bit · v8.0.242 · Files never leave your computer
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