Convert between 16:9, 9:16, 4:5 and 1:1, with the pixel dimensions for each.
| Ratio | Dimensions | Used for |
|---|---|---|
| 16:9 | 1920 x 1080 | Standard upload, widescreen |
| 9:16 | 1920 x 3413 | Shorts, Reels, TikTok |
| 4:5 | 1920 x 2400 | Instagram feed, portrait |
| 1:1 | 1920 x 1920 | Square feed post |
| 21:9 | 1920 x 823 | Cinematic ultrawide |
| Use case | Ratio | Pixels |
|---|---|---|
| Standard upload | 16:9 | 1920 x 1080 |
| Shorts | 9:16 | 1080 x 1920 |
| Custom thumbnail | 16:9 | 1280 x 720 |
| Square feed post | 1:1 | 1080 x 1080 |
| Portrait feed post | 4:5 | 1080 x 1350 |
YouTube accepts a thumbnail as small as 640px wide, but recommends 1280 x 720 so it stays sharp on large screens. Keep it under 2MB, in JPG, GIF, PNG or BMP.
Enter one pair of pixels or pick 16:9, 9:16, 4:5, or 1:1. We return the matching pixel size for the other shapes.
We do not crop your file. We only do the ratio maths.
No. Changing ratio crops. Check the frame after you convert.
No.
No.