MNG

Overview
MNG (Multiple-image Network Graphics) is an animated image file format. It was designed to be an alternative to animated GIF.

MNG makes use of the PNG and JNG formats. It supports transparency, and both lossless and lossy compression.

Identification
Files begin with.

Specifications

 * MNG Format Version 1.0

Software

 * libmng
 * ImageMagick
 * FFmpeg
 * abydos

Sample files

 * https://telparia.com/fileFormatSamples/image/mng/