What size is a YouTube thumbnail?
1280×720 pixels, the 16:9 shape of a video. YouTube also wants the file under 2 MB; the bottom of the editor shows about how big the saved file will be, and a JPG thumbnail is usually far below that.
Turn a photo into a YouTube thumbnail with big, readable words, in one of eight designs. It's saved at exactly 1280×720 with no watermark, and your photo stays on your device.
1280×720 pixels, the 16:9 shape of a video. YouTube also wants the file under 2 MB; the bottom of the editor shows about how big the saved file will be, and a JPG thumbnail is usually far below that.
It marks where text stays clear of what YouTube draws on top, such as the video's length in the corner. It is only a guide: it isn't saved, and you can hide it in More options with Show the safe area.
Yes. Each design picks its fonts, and More options lets you choose the headline and small-text fonts, their size and capitals yourself, from four free fonts.
No watermark and no upload. The thumbnail is made and saved in your browser; nothing leaves your device.