Convert gr7 to gif Online: gr72gif
You can use Tom's Editor to easily convert images from
Atari GR7 .GR7 to CompuServe Graphics Interchange Format .GIF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
GR7
Atari GR7 is an image format with extension GR7.
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.