A YouTube thumbnail downloader is a tool that allows you to download the thumbnails of YouTube videos. Thumbnails are the small images that are used to represent videos in search results and on video pages.

There are a few reasons why you might want to download YouTube thumbnails. For example, you might want to use them as inspiration for your own thumbnails, or you might want to collect them for reference purposes. Some people also use YouTube thumbnails as profile pictures or embed it on their page to link to a YouTube video.

Simply copy the URL of the YouTube video that you want to download the thumbnail for, and then paste it into the downloader. The downloader will then generate a preview in different sizes of the thumbnail.

This thumbnail downloaders allow you to select the quality of the thumbnail that you want to download. The highest quality thumbnails are usually 1280x720 pixels.

No, you cannot download YouTube thumbnails from private videos. Private videos are only accessible to the uploader themself.

No, you cannot download YouTube thumbnails from videos that have been deleted. Once a video has been deleted, it is no longer accessible, including its thumbnail.