This project used gif-encoder-2 for generating gif from split canvas items. The image will split from top to end and piece size is 250px. (you can modify this number in the code easily). I made this ...

A Simple to use javascript .GIF decoder. The result of the decompressFrames(gif, buildPatch) function returns an array of all the GIF image frames, and their meta data. Here is a an example frame: ...