Subler

Subler is an macOS application created to mux and tag mp4 files.
The main features includes:

  • Creation of TX3G and WebVTT subtitles tracks, compatible with all Apple's devices (iPhone, iPad, AppleTV, iPod, QuickTime).
  • Muxing of video, audio, chapters, subtitles, and closed captions tracks from mov, mp4, and mkv files to mp4.
  • Raw formats: H.264 Elementary streams (.h264, .264), AAC (.aac), AC3 (.ac3), Scenarist (.scc), VobSub (.idx).
  • Full iTunes style Metadata editing.
  • Metadata lookup for Movies and TV Shows on TheMovieDB, TVDB, and iTunes Store.
  • Chapters lookup on TheChapterDB.

Download Subler
(macOS 10.11 or later)