mChapters 4+

mChapters is a simple, intuitive, and easy-to-use chapter marker editor for MP4/MOV files. Chapter markers allow you to easily skip to specific times. That is especially useful for longer duration videos and audios.

Chapter marker data, times and titles, are saved as a text track in files, following the QuickTime/MP4 specification.
They can be used in various apps such as QuickTime Player, Music, TV and other apps, which support the chapter marker format.

■ Key Features
- Adding chapter markers by specified interval, number of divisions
- Adding chapter markers by importing text file
- Exporting chapter markers as plain text (.txt)
- Fast lossless saving without re-encoding audio and video

■ Supported Formats
- QuickTime movie (mov)
- MP4 file (mp4, m4v, m4a)
However, the app cannot open/play the following files.
- Files that QuickTime Player cannot open
- Files that require any conversion or codec components in QuickTime Player
- Protected video/audio files (e.g. Movies, TV Shows downloaded from iTunes Store or TV app)

■ NOTE!
Please backup your data before using this app, just in case an unexpected error occurs.