Convert bmp to dgp Online: bmp2dgp
You can use Tom's Editor to easily convert images from
Microsoft Windows bitmap .BMP to Atari AP3 .DGP.
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.
Atari AP3 is an image format with extension DGP.