Mac OS Video
mChapters is a simple chapter marker editor for MP4/mov files.
No re-encoding when saving. You can use chapter markers on iPhone, iPad, iPod, Apple TV, iTunes and QuickTime Player.
・QuickTime movie (mov)
・MP4 file (mp4, m4v, m4a)
・Fixed an issue where a video including multiple video tracks may be rotated
・Fixed a crash when closing a window in full screen mode
・Fixed a hang-up after opening certain files in macOS 10.12