Guggy - Make your friends laugh with personalized GIFs
ResizePixel - Free image editor to crop, resize, flip, rotate and convert images online
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
Bulk Resize Photos - Resize large photos in bulk
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!
PQINA Photo Editor - A free, fast, mobile-friendly, online photo editor to quickly edit pictures.