Convert Twitter GIFs(mp4) to real GIFs

Twitter converts all uploaded GIFs to MP4 and displays them in this way for better performance. 

I'm looking for a solution to convert back following Twitter MP4 url to a GIF.

https://video.twimg.com/tweet_video/D0SN9YiXQAAa5-h.mp4

Is this possible guys?

Yes, that should be fine.