Integromat allows you to automate repetitive tasks without writing any code.
Use the HTML/CSS integration to automate the creation of images.
When setting up the integration, you'll need your credentials. Grab them from the Dashboard and copy/paste them into Integromat when creating your scenario.
Define your HTML/CSS and use variables from previous steps to automate the creation of images.
To automate downloading your image, use the HTTP "Get File" integration.
Contact us with any problems. We'd love to help you with getting started. firstname.lastname@example.org.