Crop WebP Images to 4:5 (Instagram Portrait)
The 4:5 Instagram Portrait ratio is used for: Instagram portrait posts, Facebook portrait ads, social media portraits, fashion photography. Instagram's recommended portrait format — takes up maximum feed real estate while remaining within Instagram's crop limits. Consistently outperforms square posts. When preparing WebP images in 4:5 format, optimize file size alongside the crop — ImageSmith compresses your WebP to the perfect size for any platform. Common 4:5 dimensions: 1080×1350, 864×1080, 720×900.
Aspect Ratio
4:5
Name
Instagram Portrait
Format
WebP
Example size
1080×1350, 864×1080, 720×900
▸Instagram portrait posts
▸Facebook portrait ads
▸social media portraits
▸fashion photography
Reduce file size too?
Compress your WebP — instant, browser-based, free.