Bulk Certificate Maker lets you use one finished Google Slides certificate as your template. Once your design is ready, select the name text box, add your recipient list, and the add-on creates a personalized certificate slide for each person.
Create or customize your certificate in Google Slides just like normal.
Open the add-on and save the current slide as your certificate template.
Click the text box where each person’s name should appear, then save it as the name field.
Paste one name per line and create personalized certificate slides in seconds.