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Add Captions to Video

Make your videos more accessible with auto-generated subtitles in over 120 languages.

Dan Kemp avatar
Written by Dan Kemp
Updated this week

Captions are a powerful way to support all learners—whether they’re multilingual, need hearing accommodations, or simply benefit from reading along. Once you’ve added a video to your page in Book Creator, you can add captions in just a few clicks.

Add captions

There are two ways to Add captions to a video in Book Creator, using the inspector or using the right-click menu.

Both options require the video to be selected on the page first, by clicking on the video thumbnail so that it is outlined in blue.

Add captions using the inspector (i)

Step 1: Select the video thumbnail so that it is outlined in blue and click on the Inspector (i) button in the toolbar.

Step 2: With the inspector menu opened, in the CAPTIONS section, select the Add captions link.

A screenshot shows a video with a woman on the screen. The inspector button is circled and opened to the video menu. The add captions text is circled and it reads: "Add captions to this video and make it accessible for everyone. You can also translate your captions into other languages."

Step 3: A new overlay will appear in the middle of the editing window and offer options for adding captions to your video.

The image shows a video editing interface. On the left side, there is a section to add captions, with options to select the language and generate captions automatically or enter them manually. On the right side, there is a video player displaying a woman.

Add captions using the right click

Step 1: Select the video thumbnail so that it is outlined in blue and right-click for the menu to appear.

Step 2: Select the Add captions button and a new overlay will appear in the middle of the editing window and offer options for adding captions to your video.

A screenshot of a menu with options including "Add captions" which is circled, "Cut", "Copy", "Paste", "Move to front", "Move to back", "Lock", and "Delete".

Generate captions automatically

Step 1: Select the spoken language of the video before generating captions so that the transcription is accurate. Use the drop down arrow to see all available languages to choose from.

A gif of selecting the language selector arrow and scrolling of all the languages available to choose from.

Step 2: Select the Generate automatically button to let Book Creator transcribe the audio for you. A message will appear that shows the captions are being generated and that it could take up to 1 minute to fully process, depending on the length of the video.

The image shows the text "Generating captions" with a loading animation. Below, it says "We expect this to take 1 minute. You can close this overlay and it will continue to process in the background."

Step 3: You can exit the overlay while the editable captions transcript is generated by selecting the back button, or wait on the overlay screen for the transcript to complete.

Step 4: Edit the transcript when the generation is complete using the overlay or inspector options.

Generate captions manually

Step 1: Select the spoken language of the video before generating captions so that the transcription is accurate. Use the drop down arrow to see all available languages to choose from.

Step 2: Select the Enter manually button to transcribe the audio yourself. The editing modal will appear and you can select the Add a new caption button to add captions to your video.

A screen with the text "00:00" and "00:05". There is a button that says "Add a new caption".

Step 3: Edit the transcript using the editing modal or inspector option.

Edit the captions transcript

It doesn't matter if you added captions to the video automatically or manually, both caption options are editable and can be changed at any time.

Edit the transcript when the transcript generation is complete using the immediate overlay or inspector options.

Using the overlay

If you kept the overlay open while generating captions, it will automatically show an editable view of the transcript in each 10 second section of audio. You can use the slider beneath the video to reposition the captions. Drag the caption boxes to adjust the timing. Select done when finished.

The left side of the image shows text that is editable in 3 rectangles separated by 10 seconds of transcript audio transcription. There is a button underneath the text that reads "+ Add a new caption". The right side of the image shows the video of a woman with captions on top of the screen. A timeline appears underneath the video. A scrolling transcript bar appears at the bottom to adjust the words on the screen.

Using the Inspector (i)

If you left the overlay while captions were generating or you want to add captions at another time, select the video on the page and then select the inspector button to open the video options menu.

Underneath the CAPTIONS section on the menu, will show the language that was selected of the transcript and a 3-dot menu.

Select the 3-dot menu and select Edit to open the transcript editing modal. You will have the same editing options as mentioned above. Select done when finished.

A screenshot shows the inspector menu with the Captions 3-dot menu circled and opened to the options available "Edit" or "Delete". "Edit" is circled.

💬 Note: Selecting the Delete button will delete the transcript, it will not delete the video itself.

View the captions in Read Mode

When you Publish your book or view it in Read mode and play your video, the captions will appear automatically.

💡 Top Tip: If your video is small, click the fullscreen icon to make the captions easier to read.

A gif of a thumbnail video on a Book Creator page showing how the user can select the full screen icon square that appears on the bottom of the video to enlarge the video on the screen.

Translate captions

With your captions added you can now go to the video's Inspector (i) button or right click and select Add translation. You will need to choose the desired translation language.

If you want your translated subtitles to show as the default you can set them in the Inspector (i) button using the 3-dot menu.

A screenshot shows the video inspector menu with the 3-dot menu displayed next to the translated language with the options "Edit", "Set as default", and "Delete". "Set as default" is highlighted with a yellow circle.


Discover more accessibility resources

You can always learn more about Book Creator's commitment to accessibility by visiting www.bookcreator.com/support and selecting Accessibility under the Knowledge base.


💫 Contact us

If you have any questions about accessibility, or if you experience an issue using Book Creator with assistive technology, please contact:

We welcome your feedback and remain committed to building an inclusive, creative space for every learner.

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