Convert bmp to hgb Online: bmp2hgb
You can use Tom's Editor to easily convert images from
Microsoft Windows bitmap .BMP to HinterGrundBild .HGB.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.
HinterGrundBild is an image format with extension HGB.