Convert dg1 to bmp Online: dg12bmp
You can use Tom's Editor to easily convert images from
DuneGraph .DG1 to Microsoft Windows bitmap .BMP.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
DuneGraph is an image format with extension DG1.
Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.