At the up-right of your Home page, there is ‘Customize channel’ icon, selecting it will lead you to a new tab of channel customization.[image] Choose ‘Branding’ at the top of the page. That’s where you can upload your channel profile picture, banner image, and video watermark. Ta...
YouTube Thumbnail Image Size –1280 x 720 px YouTube Banner Size–2560 x 1140 px YouTube Channel Icon Size –800 x 800 px YouTube Leaderboard Size –728 x 90 px YouTube Rectangle Image Size –180 x 150 px YouTube Display Ad 1 Image Size –300 x 60 px YouTube Display Ad Image Siz...