Its an easy way to make GIFs. Just upload your individual images, choose your canvas size, choose your speed and just download. Thats all there is to it. You can even combine GIFs you have already made. Its the only website you will ever need.
This tool will let you drag and drop your images and GIFs. You can then choose whether or not to add a watermark, the size, rotation, format and add the location of your GIF. This tool is only available for Windows currently so if your running OSX have a look at...
ImageOptim will compress and GIF image without loosing its original quality and will compress the file into between 60% and 80% of its original size. Perfect for Mac users.
This is a slightly more complicated tool that will allow you to have full control over several file types. It boasts a slick interface and it can compress loads of different file formats including audio, videos and other document types. FileOptimiser is available for Windows, OSX andLinux.
This website will host everything you ever need. You can make your own account and access you uploads whenever you want. It also has the feature of sharing directly to Facebook, Twitter, Pinterest, Tumblr, Instagram andReddit. If your also looking for the ideal GIF to back up some of your post activity then there are literally 1000's to choose from. Giphy has categories in Cartoons, Movies, News, Sports Science,Music and much, much more.
So there you have it.All you need know is some images and something to promote and the rest of these sites and tools will have you covered.