Thumbnails are small images that can be compared to the book covers for the online videos. Thumbnails are very important as viewers decide whether to watch the video or not based on how interesting the thumbnail is. A good thumbnail should give the preview of what the video. The viewer must get an idea of what he can expect from the video.
When videos are uploaded to YouTube, there are three choices of thumbnails which are given by YouTube, the images are randomly taken from the video. Since these are randomly selected from the video, these can be blurry and these may not show what is there in the video.
However, custom thumbnails can be added to the YouTube video. Adding custom thumbnail benefits you for brand awareness and marketing.
YouTube Custom Thumbnail Requirements :
YouTube Thumbnail Resolution should be 1280×720 (with a minimum width of 640 pixels).
Image Formats like .JPG, .GIF, .BMP, or .PNG are supported
Thumbnail Should be under the 2MB limit
Recommended 16:9 aspect ratio that will fit for all players
YouTube Thumbnail Should follow Community Guidelines.
For every YouTube video has 4 generated images. They are as follows:
What is the goal of thumbnails?
Thumbnails are used to get the audience and these should portray what the content is in the video. These make the audience interested in the video and may make them click the video. Using attractive thumbnails is one way to engage the audience.
Create custom thumbnails can be the close-ups of faces that make eye contact with the audience. Thumbnails should be bright and it is better if you do not use any text on thumbnails. Thumbnails must not be confusing but easily understandable. Let the thumbnails of all your YouTube videos have general color, font, and look. This helps the audience know that these are your videos.