Global Mapper Grid Data Format
GIS Files
mime-type/not-avalible
11/13/2021
If you need to edit the GMG file, one of the safest methods is to download and install the software dedicated to working with GMG files. Of course, there are probably GMG Online Editors available, but none of them will be able to provide such a wide range of available options as dedicated software.
The installation of the program that supports the GMG file does not guarantee that the file can be edited. Additional information about the GMG file extension can be found here.
This is definitely the surest way. Try to open the GMG file with one of the programs and it will see if you can edit the GMG file. You will avoid the danger of virus installation if you download the software from the software developer 's website. Links to the websites of software producers can be found on the software subpages. List of sample programs supporting the GMG file below.
All available programs supporting the GMG file
Most of the file formats are simply text format saved under a different extension - so you can open them e.g. with Windows Notepad However, it's dangerous, you can permanently damage your GMG file. When you save the changes, you may no longer open the GMG file. For this reason, try to use software created to edit GMG files.
It can definitely be said that any of the list of programs that support the GMG extension should be able to edit the GMG file. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Below we found websites that help in editing GMG files.
Free Online File Edit Service
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