MPEG4 stands for Moving Picture Experts Group. This motion image compression coding standard was introduced by the ISO. This is the system of methods defining how audio and visual data should be compressed. Originally, MPEG-4 was created for low bit-rate video communications, however now it has much more extended functionality. MP4 is a container format for MPEG-4 video. The examples of other container formats for MPEG-4 videos are MKV or AVI.
When you are looking for an MPEG-4 player for Mac you can be finding a lot of players that claim to be perfect, however in reality they won't do the job or will be paid apps. Of course you need a free MPEG-4 Mac player that can do the job perfectly well.
MPEG4 files are easily streamed via AirPlay, therefore you can AirPlay MPEG4 files with the help of Elmedia Player. The PRO version of Elmedia Player can also download multiple video files from the web without any need of conversion