Convert gd2 to gif Online: gd22gif

You can use Tom's Editor to easily convert images from
GD Library 2 Image .GD2 to CompuServe Graphics Interchange Format .GIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

GD2

GD Library 2 Image is an image format with extension GD2.

GIF

GIF images were created by Compuserve. They can used no more than 256 colors and a single color transparenty (no Alpha channel). Today are rare since they offer low quality and huge filesizes. GIF animations are still in use.