YouTube Thumbnail Previewer
Upload a thumbnail and see how it looks in search results, suggested videos, and the homepage grid.
Click or drag & drop your thumbnail image
Recommended: 1280×720 (16:9)
Preview Modes
YouTube Thumbnail Best Practices
YouTube recommends thumbnails be 1280×720 pixels with a 16:9 aspect ratio. Use high-contrast text, expressive faces, and bright colors to increase click-through rates. Keep important elements away from the edges where duration overlays appear.