Downloading YouTube thumbnails for private use is mostly acceptable. On the other hand, remember that thumbnails are copyrighted written content, and making use of them commercially without permission may well infringe on copyright legal guidelines. Yes, it is possible to download thumbnails from YouTube Shorts or Are living streams applying https://youtube-thumbnail-grabber46554.theideasblog.com/38932226/the-2-minute-rule-for-youtube-thumbnail-extractor