Platform sizes prompts, shortcuts and features

YouTube video thumbnail

Design at 1280 × 720 or larger.

16:9, 3840 x 2160

Vertical cover.

9:16, 2160 x 3840

Playlist cover.

1:1

Crisp zoom, even collection grid.

1:1, 2048 x 2048

Full-screen Reel.

9:16, 1080 x 1920

Tallest feed image allowed.

4:5, 1080 x 1350

Square grid post.

1:1, 1080 x 1080

Pick 9:16 for Reels at generation time.