Resize Image for Instagram Portrait Post — 1080×1350px
Instantly resize any photo to the correct Instagram Portrait Post dimensions (1080×1350px). Portrait 4:5 format — covers more of the mobile screen in feed. Free, no watermark, runs in your browser.
✓ Free · ✓ No upload · ✓ Works offline in your browser
Instagram Portrait Post Tips
- •4:5 ratio gets ~20% more screen space than square in the feed
- •Ensure key subjects are centered — top/bottom may be cropped in previews
- •Best for portrait photography and product shots
Common presets
Frequently Asked Questions
What is the correct image size for Instagram Portrait Post?
The recommended Instagram Portrait Post image size is 1080×1350 pixels. Portrait 4:5 format — covers more of the mobile screen in feed. This tool resizes your image to exactly those dimensions.
How do I resize an image for Instagram Portrait Post?
Upload your image above, and it will be automatically pre-set to 1080×1350px. Click Resize and download the result as a high-quality JPG — free, no watermark.
What aspect ratio is Instagram Portrait Post?
Instagram Portrait Post uses a 1080:1350 pixel ratio. Portrait 4:5 format — covers more of the mobile screen in feed.
Will my image be cropped when I resize it for Instagram Portrait Post?
If your original image has a different aspect ratio than 1080×1350, it will need to be either cropped (to fill the frame exactly) or letterboxed (fitted with blank space). Choose "Cover" mode to crop-fit, or "Contain" to fit without cropping.