Convert flif to gg Online: flif2gg
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to Koala Painter 2, packed
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Free Lossless Image Format is an image format with extension FLIF.
Koala Painter is a Commodore 64 program do edit images. GG images are packed using RLE compression.