Opening HG1 files

Did your computer fail to open a HG1 file? We explain what HG1 files are and recommend software that we know can open or convert your HG1 files.

What is a HG1 file?

Every day users like you submit information to us about specific types of files, and which programs they use to open them.

While we do not yet have a description of the HG1 file format and what it is normally used for, we do know which programs are known to open these files. See the list of programs recommended by our users below.

We are constantly working on adding more file type descriptions to the site - the current count exceeds thousand by far, and more information about HG1 files will hopefully be added soon.

If you have information about HG1 files that you think will be helpful for others, please do use the Submit Info link below and we will add it to this page.

Generic HG1

These apps are known to open certain types of HG1 files. Since many different programs may use HG1 files for different purposes, you may need to try a few of the apps to open your specific HG1 file.

Hellgate - LondonHellgate - LondonUser submitted
HallgateHallgateUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with HG1-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 HG1-files. If you know one, please use the Suggest link below and tell us about it!