Stopgif Web API to extract a gif image from animation gif Requirements Ruby ImageMagick RMagick sinatra Usage rackup config.ru demo http://stopgif.herokuapp.com/ http://stopgif.herokuapp.com/?url=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F6%2F6a%2FSorting_quicksort_anim.gif