Name: ImageSmith
Rating: 4.9 (1247 reviews)
Author: ImageSmith

Question 1

What is the 4:5 aspect ratio used for?

Accepted Answer

Instagram's recommended portrait format — takes up maximum feed real estate while remaining within Instagram's crop limits. Consistently outperforms square posts. Common use cases include: Instagram portrait posts, Facebook portrait ads, social media portraits, fashion photography.

Question 2

What pixel dimensions should a AVIF image be at 4:5 ratio?

Accepted Answer

Common 4:5 dimensions include: 1080×1350, 864×1080, 720×900. Choose the size that matches your target platform's requirements.

Question 3

How do I optimize a AVIF image in 4:5 format?

Accepted Answer

Upload your AVIF image to ImageSmith and set a target file size. The tool compresses to any size while maximizing quality — browser-only, no uploads.

Question 4

What format is best for 4:5 AVIF images?

Accepted Answer

AVIF works well for photographs. WebP is often 25–35% smaller for the same 4:5 image content.

Crop AVIF Images to 4:5 (Instagram Portrait)

Other AVIF Aspect Ratios

Crop AVIF to 4:5 — FAQ