Get download youtube video thumbnail from youtube video URL. Extract thumbnails image from video url which is upload at same video publish.
Download thumbnail just copy and paste video URL into input field and click get thumbnail button after humnail is automatically downlonded start.
YouTube thumbnail is the video cover image that describe and give a preview about the video. Youtube use two types of thumbnail one automatically generated which is provided by youtube and second upload by Youtuber it's also called custom thumbnail.