Tranquillity Base > Subtitle Factory
Subtitle Factory
Current Version 1.1.7
What is Subtitle Factory

Subtitle Factory is a simple and easy-to-use editor for subtitles. It provides you to create and embed editable subtitle text data language-by-language into your movies (mov, mp4, m4v). It does not draw subtitles on video frames, so you can edit or remove them after save. The subtitle data format is defined in QuickTime Movie (mov) and MP4 specification. You can turn on/off subtitles, or select one language of subtitles to show in QuickTime Player, iTunes, iPhone, iPad, iPod, Apple TV and more movie players supported the subtitle format.

Closed Caption Track is not supported.

Sample Movie - [Download]. This is a QuickTime movie included English, French, German, Japanese and Korean subtitle tracks added by Subtitle Factory. Please try to watch on your Mac or iOS device!

System Requirements

macOS 10.12 or later

Supported formats

・QuickTime Movie (mov)
・MP4 file (mp4, m4v, m4a)
(Except DRM protected movies)

Subtitle Factory cannot open files which require any conversion or codec components in QuickTime Player. Or nothing will be displayed.


Please backup your data before using this app.

Version History

Main Window
Subtitle in QuickTime Player (version 10.4)
The sample movie has five subtitle tracks of different languages. You can choose a language with web browser Safari.

Sample Movie - [Download]