Video to animated MNG converter
For permanent links you can use: https://ezgif.com/video-to-mng?url=https://example.com/video.mp4
(Video conversion may take a while, especially for animations with high frame rate and resolution)
Video to MNG converter
Tool for crating MNG files (Multiple-image Network Graphics) from various video formats.
Warning: the output file will most likely not be displayed in your browser, unless you have some kind of special plugin/browser, as it is not supported by any major browsers. But you can still generate and download it.