Convert gg to tga Online: gg2tga

You can use Tom's Editor to easily convert images from
Koala Painter 2, packed .GG to Targa .TGA.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

GG

Koala Painter is a Commodore 64 program do edit images. GG images are packed using RLE compression.

TGA

Targa is an image format with extension TGA.