MP4Box is a multimedia packager, with a vast number of functionalities: conversion, splitting, hinting, dumping and others. It can import MPEG-4 video (H.264 or ASP, encoded for example with x264, DivX, Xvid, 3ivx or FFmpeg) and audio streams into the MP4 container. The end result is ISO compliant MP4 streams. It can also produce MPEG-4 Timed Text streams by importing subtitles formats such as srt. It can also split MP4 files into sections, which can be useful when transferring files to portable media players.
Download: MP4Box 0.4.6 dev 20090925
