There are two ways to create a Synthesia template:
Starting from scratch.
Converting an existing video into a template (preferred).
Creating a Template from Scratch
To create a new template from scratch:
Navigate to the Library > Template page of your Synthesia application.
Click on Create a New Template button.
On the video edit page, create your different scene layouts to begin designing your template.
Once done, click Publish Template in the upper right corner of the page.
Enter your template Title and Description.
Click Publish template to validate.
Converting a Video into a Template
Convert an existing video into a template at any time:
Open a generated video you want to convert into a template.
Click on the three dots at the top right corner of your screen.
Select Save as a template.
Make any necessary adjustments to your video scene layouts.
Once done, select the Publish Template button.
Enter your template Title and Description.
Click Publish template to validate.
Notes:
Once your template is generated, find it in the Library > Template section.