... is a derivative of the Apple Quicktime file format, so Bento4 can be used to read and write most Quicktime files as well. In addition to supporting ISO-MP4, Bento4 includes support for parsing and multiplexing H.264 and H.265 elementary streams, converting ISO-MP4 to MPEG2-TS, packaging HLS and MPEG-DASH, CMAF, content encryption, decryption, and much more.