ResizePixel - Free image editor to crop, resize, flip, rotate and convert images online
GIPHY Says - Turn your words into animated GIFs!
Live Photos for Developers - Embed Apple Live Photos directly into your website
Gif.me - Play gifs & videos inside Sketch while you're designing
Motion Stills by Google - Turn live photos into cinematic, beautiful GIFs
GifLab - The easiest way to create GIFs on your iOS device