Convert jpeg to gif Online: jpeg2gif
You can use Tom's Editor to easily convert images from
Joint Photographic Experts Group JFIF .JPEG to CompuServe Graphics Interchange Format .GIF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
The most popular image format. Does not support Alpha channel. Images are always lossy coded so when an image is saved as JPEG it always looses a bit of quality.
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.