Add chapter markers

A chapter marker provides a way to convey viewing milestones within the timeline of a player. It allows the segmentation of long videos into discrete segments.

Example of channel markers

A viewer can quickly hover over the cue point and can see the title of the chapter or section. Clicking on the cue point navigates you directly to that point of the video. These markers are rendered by the JWP when a standard WebVTT text track is provided in the player embed code.



Create a .VTT file

Use the following steps to create a .vtt file.

  1. In a text editor, create a new file.
  2. Add information for cue timings and chapter titles. Cue identifiers are optional.
  3. Save the file.

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A .vtt file should always be saved in UTF8 encoding to prevent character issues.


A .vtt file is subject to cross-domain security restrictions and therefore won't automatically load from another domain than the player. See Crossdomain File Loading for more info.


WEBVTT Chapter 1
00:00:00.000 --> 00:01:42.000
Opening credits

Chapter 2
00:01:42.000 --> 00:04:44.000
A dangerous quest

Chapter 3
00:04:44.000 --> 00:05:50.000
The attack
AttributeDescription
Cue Timings(Required) Specifies the time zone for the cue

For example : 00:04:44.000 --> 00:05:50.000

The chapter will be displayed on the start of the zone.
Chapter title(Required) The title you want to display for the chapter.

For example: Chapter 3
Cue identifier(Optional) Used to identify the actual cue point

For example: The attack


Add chapter markers

If your content is uploaded or registered with the JWP dashboard, you can also host your VTT file on the JWP platform.

Use the following video and steps to add chapter markers.

  1. From your Media Library, click the name of the video to which to add chapter markers. The video details page appears.
  2. Click ViewAssets. The Media Assets panel appears.
  3. On the Tracks tab, click Add Chapters Track.
  4. Select a single .vtt file or multiple .vtt files to open from your computer. The selected file or files are uploaded and associated with the video.
  5. Click Close. The panel closes.
  6. Click Save.


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