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They say “Don’t judge a book by its cover.” They’re miniature representations of the video content designed to stimulate interest and curiosity. Think of YouTube thumbnails like book covers. Here are some examples of custom thumbnails from Shopify's YouTube channel : Their job is to attract people’s attention and convince them to watch the video. YouTube thumbnails are the small preview images used to represent videos. Make sure your thumbnail size is a minimum of 640 pixels wide.These YouTube thumbnail dimensions use an aspect ratio of 16:9.The perfect YouTube video thumbnail size is 1280 pixels by 720 pixels.If you follow these guidelines, you will see YouTube success. YouTube’s help center notes five important points when it come to YouTube thumbnail images.
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