Tranquillity Base > Subtitle Factory > User Guide

User Guide

Sample Movie [Download]

Opening Files

Choose File > Open..., select a file(s). Or drag and drop a file(s) to the application icon.

Adding a Subtitle Track

Subtitle text data are stored in subtitle tracks.

Double-click on a subtitle, and then you can edit it.

Creating a Line Break

Press the “option” and “return” keys

Inserting a Subtitle

Move the playhead to the time to insert, Choose Subtitle > Insert Subtitle.

Subtitle Duration

Each subtitles appear until the next subtitle comes in. And the last one appear until the end time of the own track. If you do not want to stay a subtitle on the screen until the next or the end time, insert an empty text subtitle at the time to disappear that.

'Hellow Goodbye' is on the screen until 02:24.

'Hellow Goodbye' is on the screen until 01:54, and then no subtitles until 02:24.

Removing Subtitles

On the subtitles list, select a subtitle(s) you want to remove, and then push the delete key.

Changing a Start Time

In a main window, Double-click a Start Time on the subtitles list. and then you can edit it. Or drag the Current Time and drop it into a subtitle in the list. The start time will change to current time. Start time can be changed between previous and next subtitles start time.

Shifting Start Times Forward / Backward

Normally, editing the start time or duration of a subtitle will not affect the start times of subsequent subtitles.

If you want to shift the start times of them, edit with pressing the shift key.

For Example:
To delay the start time of subtitle #2 by three seconds from 00:00:05.000 to 00:00:08.000

Without the shift key

With the shift key

Setting a Track Duration

Move the playhead to the time you want to set the end of track, Choose Subtitle > Set Track Duration > Current Time.
'End of the track' lists at the end of the subtitles list.

Select the 'End of the track' and delete it, or choose Subtitle > Set Track Duration > End of Movie, the track duration will be same the movie's duration.

Subtitle Track Settings

Choose View > Show Inspector. Select the Track tab in the inspector panel and select a subtitle track on the track list.

SDH Indicates that the track is for SDH (Subtitles for the deaf or hard-of-hearing).
Extended Language Add locale information. e.g. English (United States), English (United Kingdom)
Default Subtitle Text Attributes
Placement Subtitles are shown at the top or bottom.
Color Text color
Style Bold, Italic and Underline
※Text styles are ignored depending on movie players.
※2-byte characters are not affected by italic style.
Subtitle Text Attributes

Select a subtitle on the subtitles list in a main window, and then select the Text tab in the inspector panel.

Style and Color
  1. Click the Edit Text button, then the inspector will be edit mode and the button title will be changed to Done.
  2. You can change the subtitle text and text style/color.
  3. Click the Done button after editing. The subtitle text has the attributes of style/color.
  4. The star mark "" appears at the left side of the text in the subtitles list.

Subtitle Factory cannot set a font and a background color.

In a main window, you cannot directly edit subtitles that have attributes of style/color.


Subtitles are shown at the top or bottom.

Forced Subtitle

Indicates whether a subtitle is a forced subtitle.

In Main Windows:
The Ⓕ appears at the right side of the start time.

In the Inspector Panel:
If a subtitle track contains Forced Subtitles, the (F) appears at the right side of the track type.
If all subtitles in a subtitle track are Forced Subtitles, the Ⓕ appears at the right side of the track type.

Whether it functions as forced subtitles depends on the application you use. On QuickTime Player (v10.4) or iTunes (, the language of the subtitle track and sound track must match the system language of the device (Mac, iPhone, iPad, Apple TV, etc.).

Changing Subtitle Track for Editing

Choose View > Audio & Subtitles > a language of subtitle track you want to edit. Or choose by the Subtitle pop-up button (looks like a balloon).

Adding Subtitles by SRT file

You can add a new subtitle track by SRT file.

Open a movie file, choose File > SRT > Import..., select an SRT file in the open dialog sheet and click the OK button. Or drag and drop an SRT file to a main window.

Time Bar Preview

When you place the cursor on the time bar, the preview of the frame appeares.

To enable or disable it:
Choose View > Time Bar Preview

Placing the cursor with pressing the shift key, the preview temporarily disappears or appears.

Play Selection Only

To select a portion of a movie, choose Controls > Play Selection Only to appear the In / Out selection markers, and then move the markers. To fine-tune the selection, select a marker and move it with the left or right arrow key.

When you choose Controls > Deselect, the selection markers move to the playhead.

Play Control Keyboard Shortcuts

Space bar or returnPlay or Stop
command (⌘) + ↑Go to the beginning of a movie
command (⌘) + ↓Go to the end of a movie
option (⌥) + command (⌘) + ↑Go to the selection start
option (⌥) + command (⌘) + ↓Go to the selection end
Go back one frame
Go forward one frame
command (⌘) + ←Go back 5 seconds (Default)
command (⌘) + →Go forward 5 seconds (Default)
option (⌥) + command (⌘) + ←Go back 30 seconds (Default)
option (⌥) + command (⌘) + →Go forward 30 seconds (Default)
option (⌥) + ←Go back 1 second (Default)
option (⌥) + →Go forward 1 second (Default)
control (⌃) + option (⌥) + ←Go back 0.5 seconds (Default)
control (⌃) + option (⌥) + →Go forward 0.5 seconds (Default)
JSpeed down
KNormal speed
LSpeed up
MReverse play
Customizing Skip Times

Choose Controls > Customize Skip Times...
You can set them to 0.5, 1, 3, 5, 10, 15, 20, or 30 seconds.

FAQ 1: Subtitles are not shown in movie players

Movie players which suports subtitle tracks has a menu item for choosing subtitle language to display on the screen and turning off subtitles. Please check to see whether any language is selected.

e.g. In QuickTime Player, View > Subtitles > [Language of subtitle]
Or choose the subtitle button on the playback controller on the window.

FAQ 2: First subtitle is not shown in QuickTime Player (10.3)

QuickTime Player does't display a subtitle started from 00:00:00.0000. But when you click or dragg the playhead in the timeline, it appears.

For solving the problem, insert a short duration empty subtitle text like as the following.