Instagram portrait posts at 1080×1350px (4:5 ratio) take up more screen space in the feed, leading to higher engagement. Resize your images to this optimal dimension instantly.
Marketing experts recommend 4:5 portrait format for Instagram because it occupies more vertical space in the feed, increasing the chance users stop scrolling.
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How to Resize Image to 1080×1350 — Instagram Portrait (4:5 Ratio)
- Upload your image
- Dimensions are pre-set to 1080×1350px (4:5 ratio)
- Click Resize to process
- Download and upload to Instagram
Pro Tips
- 4:5 ratio takes up 25% more feed space than square posts
- Keep key content in the center — some devices may crop edges
- This is the maximum vertical size Instagram allows in feed posts
Frequently Asked Questions
Why use 1080×1350 instead of 1080×1080?
Portrait (4:5) posts take up more vertical space in the Instagram feed, which means more visibility and typically 10-20% higher engagement than square posts.
Can I use 1080×1350 for Instagram Reels?
No, Reels use 1080×1920 (9:16 ratio). 1080×1350 is specifically for feed posts in portrait orientation.
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