YouTube
Thumbnail1280×720
YouTube’s documented thumbnail: 1280×720, under 2MB. Keep the subject out of the duration badge.
- Export size
- 1280×720
- Aspect
- 16:9
Source: YouTube Help — thumbnail size
How to export it
- Open the tool and drop in the photo. It stays in this browser.
- This preset is preselected. Drag the frame, or use Focus on detail, until the subject sits where you want it.
- Check any other sizes you need and download. A single size saves as a file; several sizes save as a ZIP.
Duration badge
1280×720
What the overlay is warning you about
- Duration badge