Instagram Post Dimensions 2025. It’s unclear if or when instagram will return to the classic 1:1 square format. Aspect ratio options for instagram posts are 1:1 (square), 1.91:1 (landscape, or wide), or 4:5 (portrait, aka tall).
Instagram photo post size the recommended aspect ratio for instagram feed posts is between 1.91:1 and 4:5. In other words, keep yourselves updated with changes.
