gifsicle is a powerful command-line program for manipulating GIF image files. Extensive options let you control what exactly it does. Options include merging or exploding animated GIFs, compressing and optimizing their size, and more.
gifsicle-1.12: description + notes
This distribution includes the extra gifview and gifdiff as well.
See man gifsicle for details.
To auto-install this package, go back and click on the respective install icon.