MNG to GIF converter
For permanent links you can use: https://ezgif.com/mng-to-gif?url=https://example.com/source-image.gif
Output GIF image:
MNG (Multiple-image Network Graphics) to GIF converter
MNG is animated image format based on PNG. It never gained wide adaptation and currently is not supported by default by any major browser or operating system.
This tool lets you convert existing MNG files to animated GIF format.