Flash files (.swf) loop collection. 'Adobe announced they will end support for the Flash player in 2020. This means they will no longer make updates or patches for playing Flash content in a web browser and the individual browsers are onboard with removing Flash completely by the end of 2020. This means you will have no way to view an SWF file in a modern browser going into 2021. [...]"TomFulp (Newgrounds Game dev). Since Adobe® will likely discontinue the .swf file format in 2020 I've decided to save some loop animations in Coub. Keep in mind that there are thousands and some are +20 years old so I don't expect to save them all. You can always find the source by searching the original file name (in the tags). Hopefully flash gallery websites like dagobah will be still online.