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mp4 muxer and editor, to add tx3g subtitles, video, audio and chapters tracks compatible with quicktime in mp4

branch: master


Subler is an Mac OS X app created to mux mp4 files. The main features are:

  • Creation of tx3g subtitles tracks, compatible with all Apple's devices (iPod, AppleTV, iPhone, QuickTime).
  • Mux video, audio, chapters, subtitles and closed captions tracks from mov, mp4 and mkv.
  • Raw formats: H.264 Elementary streams (.h264, .264), AAC (.aac), AC3 (.ac3), Scenarist (.scc)
  • iTunes metadata editing and TMDb and TVDB support.


  • Mac OS X 10.5 or later


If you find subler useful, you could make a small donation to found future developments: Donate to Subler!


The official channel is on (freenode network), channel #subler . Please be reasonable, this is a free project worked on by one person in his spare time.

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