What are some alternatives?
GIMP - GIMP is a multiplatform photo manipulation tool.
ezgif.com - Ezgif.com is simple online gif maker and toolset for basic animated gif editing.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
LunaPic - Free and Easy to use online image effects. Try the effect.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Gifsicle - Gifsicle is a powerful, simple command line tool for creating, editing, and optimizing animated GIFs.