Awasome Background Thumbnail Ideas. Upload a thumbnail image the same dimensions as the video (cannot be larger than 9600 pixels wide or 5400 pixels tall) file type: Of course, it also needs to relate directly to the purpose of your video content and the.
Youtube thumbnail sizes are 1280 x 720 pixels, with a minimum width of 640 pixels. Neat, clear & smooth cutout edges. Instagram instagram feed video thumbnail