Paperless Post is an online platform that allows users to create and send digital invitations and cards for various occasions, such as birthdays, weddings, and holidays. The service offers a wide range of customizable designs, enabling users to personalize their messages and visuals to suit their events. In addition to invitations, Paperless Post provides features for managing guest lists and tracking RSVPs. Users can choose from free options or purchase premium designs, making it a versatile choice for both casual and formal events. The platform aims to simplify the process of event planning while reducing paper waste.