No, You can not download thumbnails from private or unlisted films making use of our thumbnail grabber. Our YouTube thumbnail downloader only is effective with publicly obtainable video clips. Non-public or unlisted films require appropriate authentication and that is further than the scope of the thumbnail extractor tool. Our mission https://saveyoutubethumbnail50381.alltdesign.com/the-ultimate-guide-to-youtube-thumbnail-grabber-57179010