Subtitle Factory is a simple and easy-to-use editor for subtitles. It provides you to embed editable subtitle text data as subtitle track language-by-language into your movies. NOT burn text on video frames. Movie players read the subtitle track and show them on the screen. The subtitle track format is defined by QuickTime Movie (mov) and MP4 specification. You can turn on-off them and can choose one language of subtitles to show in QuickTime Player, iTunes, iPhone, iPad, iPod, Apple TV and other movie players supported the subtitle track format.

・Easy to edit subtitle text and subtitle start time
・Set subtitle style (color, bold, underline, italic) text-by-text
 Cannot set a font and a background color
・Place subtitles at top or bottom
・Create multiple subtitle tracks by languages
・Create subtitles by importing SRT file
・Export subtitles to SRT file
・Fast lossless saving without re-encoding audio and video

・Closed Caption Track is not supported
・Please backup your data before using this app

Supported formats
・QuickTime movie (mov)
・MP4 file (mp4, m4v, m4a)
(Except DRM protected movies)
Subtitle Factory cannot open movies which requires any conversion or codec components in QuickTime Player. Or nothing will be displayed.

Please visit Subtitle Factory support web page. You can download a sample movie included English, French, German, Japanese and Korean subtitle tracks added by Subtitle Factory. And you can see the user guide and more information!

What’s New

Version 1.2.2

・Optimized for macOS 10.15 Catalina
・Internal code improvements

Ratings and Reviews

4.3 out of 5
4 Ratings

4 Ratings

Aikinai ,

Basic, but well-built app; perfect for the price

I needed a basic app for adding subtitles and didn't really like the look of the cross-platform open source stuff that seemed to be common, so I bought this to give it a shot. I was quite impressed it's a well-built, native app that has everythign you need for basic subtitle editing.

It also seems to be well-supported as it was very quickly updated for Mojave, even including dark mode.

It seems to have solid support for multiple tracks and metadata, but I haven't used it extensively. I also didn't actually edit the video file; I just exported the SRT and then hard-coded with ffmpeg myself separately.

Easily add SRT to MP4 ,

Quick and easy converter

I had to add an SRT (subtitle) file to my short MP4 video and it took less than a minute total. Did the job I needed it to do!

KAC_KAC_12 ,

Limited file type playback and scrolling abilities

Seems to only works with mov, mp4 and m4v files, not wmv or avi.

It's text window doesn't update as you scroll the video.

The video will however follow your scrolling through the text window.


1.4 MB

macOS 10.13 or later, 64-bit processor


English, Japanese

Age Rating
Rated 4+
© 2019 Yuji MIMORI


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

More By This Developer