How to open GSI files

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

What is a GSI file?

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

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

GPS Tuner map slices calibration data

Through our analysis of GSI files, we know that one use of the format is GPS Tuner map slices 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 GSI files

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

Nguyen Kim LaiNguyen Kim LaiUser submitted
GTASA Ultimate EditorGTASA Ultimate EditorUser submitted
We have not verified any programs that we know for certain can work with GSI-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 GSI-files. If you know one, please use the Suggest link below and tell us about it!