What is YouTube? YouTube is a video-sharing website where users can upload, share, and view videos. YouTube was founded in 2005 and is now the largest video-sharing website in the world. It is a subsidiary of Google and is available in over 80 countries. YouTube allows users to upload videos of any length and also provides a commenting and rating system for videos. YouTube has over a billion users and an estimated 300 hours of footage uploaded per minute. it is also available on mobile devices and has a large number of users worldwide. It is one of the most popular websites in the world, with over 1 billion active users per month. So, the main question is that “what is YouTube? YouTube is a service that is available for free, and it may be a terrific place for teenagers to find interest. Many young people use YouTube to watch comedy shows, howto videos, recipes, hacks, and music videos. Teenagers also use the video-sharing platform to subscribe to other YouTubers and popular personalities, as well as to follow their favorite vloggers (video bloggers). However, users do not need to sign in to access the website or to view videos. There is, however, a YouTube kid’s version now available to download for free.