Set transparent backgrounds for Customizable Avatars

Remove the background from Customizable Avatars, or switch to a solid color or gradient background.

See what Synthesia can do for you

You can place now add any Customizable Avatar (either a Stock or Personal Avatar from Photo) to your scenes without a built-in background.

What’s new

You can now remove an Avatar’s background (Space) for any Avatar that supports customization—just select your Avatar, then remove the space from the toolbar or inspector.

For more on how it works, check out our knowledge base.

More updates

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Enterprise

Keep layouts looking polished for your translated videos

Translate videos without text overflow—translations adapt to each text box, and long strings scale down to keep your slides looking polished.

8/21/26

Improvement

Dub multiple videos at once with bulk dubbing uploads

Upload and dub up to 10 videos in one go—set languages and options once, then let every file process in the background.

8/21/26

Editor

More control in Create with AI

Set custom duration, aspect ratio, and visual references when generating B-roll videos and images.

8/19/26

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