To upload an image to Synthesia:
Open your video project.
Select the Media option at the top of the canvas.
Click on the Upload media button.
Select the image you wish to upload and click Open.
The uploaded image is automatically displayed on the canvas.
Check out the Synthesia Media Documentation to learn more.
Notes:
Select any previously uploaded images from the image library in the Media section.
To rename, download, or delete an uploaded image, navigate to the media library, hover over the image and click on the 3-dots menu that appears.