Have you ever needed a thumbnail of a video hosted on YouTube ?
thumbnailsave.net is an online web based youtube thumbnail grabber for yt videos.
Follow the procedure about how to get download youtube thumbnail :-
Go to www.YouTube.com, Search your video.
Simply Copy the URL or Link of the video.
Just Paste that URL or Link in the box given above & then click the "Download" button.
Choose your thumbnail size & save it in your computer or mobile device.