Generating a ton of certificates for any occassion is quite tedious if you're not familiar with the concept of automation. Well, you won't have to worry anymore because this script will do all the heavy lifting for you.
In order to run this script, you need to have Python 3.7.x installed in your machine. You can get it from here. After you're done installing Python 3.7.x, run the following command from your terminal to install OpenCV:
pip install opencv-python
Open your terminal and navigate to the directory where you downloaded this project. After that, run the following command from your terminal to generate your certificates:
python certificate_generator.py