MP4Box is a MP4 multiplexer. It can import MPEG-4 video, DivX, XviD, 3ivx, h264 etc, audio streams and subtitles into the .mp4 container. The end result is a compliant MP4 stream. It can also extract streams from a .mp4. MP4Box is a command line tool, but can be used with graphical user interfaces such as YAMB.

Program Information Category: Multimedia Type: Free Version: 0.4.1 Size: 495KB Works on: Windows Product page: here