Closed Captions

You can now enable closed captions in your videos. Looks like magic, works like magic.

See what Synthesia can do for you

You can now enable closed captions in your videos. Looks like magic, works like magic.

Here's how to do it.

Update

Turn External Screen Recordings into editable Synthesia videos

Upload any screen recording (MP4) and Synthesia automatically converts it into a fully editable video.

3/17/26

Update

Meet the new PowerPoint to Video

Introducing updated PowerPoint to Video: turn static slides into narrated videos — without rebuilding anything from scratch.

1/23/26

New Feature

Get the voice right: regenerate speech and adjust voice speed

Long-awaited updates: you can now regenerate speech and control voice speed.

1/13/26

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