YouTube Channel Art is a cover allows users to incorporate art into their channel page. When viewed on a TV, YouTube Banners stretch to maximize the screen size—which is the largest threshold for the size of the Channel Art image. Channel covers can personalized to the content within a user’s videos YouTube Banners, or YouTube Channel Art, for TV displays, have a height of 1440 px and width of 2560 px for an aspect ratio of 16:9. YouTube Channel Art supports JPG and PNG formats with a maximum file size of 6 MB.