YouTube Shorts thumbnails should be 1920x1080 pixels to match the 9:16 aspect ratio of Shorts videos. This ensures your custom thumbnails display correctly.
YouTube Shorts Thumbnail Dimensions
Here's a breakdown of the recommended size for YouTube Shorts thumbnails:
- Aspect Ratio: 9:16 (vertical video)
- Dimensions: 1920 pixels (width) x 1080 pixels (height)
According to vidIQ, using these dimensions for custom thumbnails for YouTube Shorts guarantees optimal display and visual appeal.
