Using Magento 2 product video extension, you can effortlessly attach videos to product pages in Magento 2.

Magento 2 product attachments extension by FME allows you to attach support files to your products as well as CMS pages. 

FREE GDPR for Magento 2 is an extension which helps e-commerce stores to comply with some of the most essential GDPR regulations.
Get details: https://www.magesolution.com/magento2-gdpr.html
GDPR - MAIN FEATURES
Manage the display of Cookie Restriction Mode
Change content of cookie notice message
Add validating checkbox on login form and registration form
Permanently delete customers’ accounts

Although adding to cart is just a smart part of customers’ shopping process, it can affect their purchase decision. The quicker add-to-cart process is, the more convenient customers feel. So, I strongly recommend Magento 2 Catalog Ajax Scroll extension which definitely increases customers shopping experience by allowing them to add items to cart via a convenient popup without reloading page.