Adding to the list: I've been using Subler for many years to mux to MP4 (and to transcode AC3 to AAC if needed), and it hasn't let me down: https://subler.org/

Adding to the list: I've been using Subler for many years to mux to MP4 (and to transcode AC3 to AAC if needed), and it hasn't let me down: https://subler.org/ https://subler.org/