How do you view YouTube thumbnails? You can easily view (and download) the thumbnail of any YouTube video in high or default resolution by searching for the OG image tag in the HTML source page of the video.
Why can’t I see the thumbnails on YouTube? Clear Your Internet Browser Cache
The next common cause for youtube thumbnails not showing is cache and cookies in your browser. In this case, you need to clear them. Here are the steps you need to do: If you use Chrome as your browser, you go to “Settings” (the three dots in the right corner of your screen).
What are YouTube thumbnails? A video thumbnail is a still image that acts as the preview image for your video. It’s kind of like a book cover. And, like a book cover, it should entice a potential viewer to want to see more. The term “thumbnail” originated with still images.
How do you get free thumbnails on YouTube?