Convert pdf to gg Online: pdf2gg
You can use Tom's Editor to easily convert images from
Portable Document Format .PDF to Koala Painter 2, packed
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Adobe PDF format is the most popular document format. Overcomplicated. Offers compression.
Koala Painter is a Commodore 64 program do edit images. GG images are packed using RLE compression.