Aspect Ratio Settings

Determines the size ratio of output images in "Nano Banana Pro".

Horizontal & Cinematic

Used to express grand, wide fields of view such as in movies, YouTube, and computer wallpapers.

16:9 ratio, YouTube thumbnail, HDTV standard, the most common widescreen

21:9 ratio, movie screen ratio, very long horizontally, giving an epic, cinematic feel

Cinemascope, classic film ratio

3:2 ratio, typical photo ratio of DSLR cameras

Optimized for full smartphone screens, full-body portraits, and SNS short-form content.

9:16 ratio, TikTok/Reels/Shorts background, mobile full screen, advantageous for full-body shots

2:3 ratio, typical portrait photo ratio

4:5 ratio, optimized vertical feed ratio for Instagram, fills the screen without being too tall

A stable ratio that fits well almost anywhere.

1:1 square, Instagram feed, profile icons, album covers

4:3 ratio, old CRT TV or IMAX movie ratio, classic and stable feel