Optimal Image Ratios and Resolutions for Social Media Avatars and Wallpapers
Generating the wrong aspect ratio forces you to crop important visual elements like jewelry, hairstyles, or footwear. Here is the definitive guide to aspect ratio parameters across AI generators.
Platform Ratio Breakdown
| Platform / Use Case | Ratio | AI Parameter | Optimal Resolution |
|---|---|---|---|
| Instagram Feed Portrait | 4:5 Vertical | --ar 4:5 |
1080 × 1350 px |
| Instagram / WhatsApp Story & Reels | 9:16 Fullscreen | --ar 9:16 |
1080 × 1920 px |
| LinkedIn / Social Media Avatar | 1:1 Square | --ar 1:1 |
1200 × 1200 px |
| Desktop Cinematic Wallpaper | 16:9 Widescreen | --ar 16:9 |
3840 × 2160 px |
Why Prompt360 Defaults to 4:5 Aspect Ratio
The 4:5 aspect ratio is the optimal vertical orientation for mobile viewing. It occupies the maximum vertical screen space in modern social feeds without triggering Instagram’s aggressive crop compression.
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