GIF image files contain a number of internal structures. These structures govern how the GIF is displayed, the looping counter, delay times, etc. There are also a number of comment and application extension structures. Comments and non-Netscape application extensions take up space and cause some delay in loading a GIF file to your Web page.
Our Review: Has many extra little features such as a drag and drop mode, and the ability to add comments to a gif. Also a fairly useful help file.