Are you wondering which is the longest video on YouTube? As we know that YouTube is the biggest video-sharing platform where you will find many types of videos. And the longest video is created by Jonathan Harchick, who was a graphic designer, later he started his channel "MoldytoasterMedia" where he uploaded his video known as the longest video on YouTube. He uploaded this video in 2012 which is 596 hours long that takes 24 days and 20 hours.