Convert gif to gg Online: gif2gg
You can use Tom's Editor to easily convert images from
CompuServe Graphics Interchange Format .GIF to Koala Painter 2, packed
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
GIF images were created by Compuserve. They can used no more than 256 colors and a single color transparenty (no Alpha channel). Today are rare since they offer low quality and huge filesizes. GIF animations are still in use.
Koala Painter is a Commodore 64 program do edit images. GG images are packed using RLE compression.