Magento 2 Guest to Customer
Many time customers don’t shop from the online store because they will be forced to create an account during the checkout page. And the most important part is that if the store owners do not interact with the customers, they won’t come back to you store again. as a result, Magento 2 Guest to Customer Extension comes into the picture. This extension allow the visitors to shop from your online store without creating any account. Therefore, this module must be incorporated into your online store because it keeps your customer in touch.
https://www.cynoinfotech.com/product/guest-to-customer-magento-2-extension/