Captioned Shorts  - Video Dimensions

16:9 (Horizontal) Video Dimensions per Resolution
480p:       854x480
720p:     1280x720
1080p: 1920x1080

9:16 (Vertical) Video Dimensions per Resolution
480p:       480x854
720p:     720x1280
1080p: 1080x1920
​
1:1 (Square) Video Dimensions per Resolution
480p:       480x600
720p:       720x720
1080p: 1080x1080

4:5 (Portrait) Video Dimensions per Resolution
480p:       480x480
720p:       720x900
1080p: 1080x1350