How to open GMI files

Did your computer fail to open a GMI file? We explain what GMI files are and recommend software that we know can open or convert your files.

What is a GMI file?

The GMI file extension indicates to your device which app can open the file. However, different programs may use the GMI file type for different types of data.

We are aware of 1 different use of the GMI extension, which you can read more about below.

GPS Tuner map calibration data

Through our analysis of GMI files, we know that one use of the format is GPS Tuner map calibration data. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix GMI files

These apps are known to open certain types of GMI files. Since many different programs may use GMI files for different purposes, you may need to try a few of the apps to open your specific GMI file.

GolemLabs' GL EditorGolemLabs' GL EditorUser submitted
Map CalibratorMap CalibratorUser submitted
We have not verified any programs that we know for certain can work with GMI-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with GMI-files. If you know one, please use the Suggest link below and tell us about it!