Convert gfb to flif Online: gfb2flif

You can use Tom's Editor to easily convert images from
Atari GFB .GFB to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

GFB

Atari GFB is an image format with extension GFB.

FLIF

Free Lossless Image Format is an image format with extension FLIF.