Convert gfb to pdf Online: gfb2pdf

You can use Tom's Editor to easily convert images from
Atari GFB .GFB to Portable Document Format .PDF.
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.

PDF

Adobe PDF format is the most popular document format. Overcomplicated. Offers compression.