Resize PNG Images to 1080×1350 (Instagram Portrait)

Instagram portrait (4:5) format — takes up more screen space in feed and consistently gets higher engagement than square or landscape. When preparing PNG images for 1080×1350 display, proper compression is essential — optimized files load faster, look sharper, and use less bandwidth. Use ImageSmith to compress your PNG images to the ideal file size for 1080×1350 display: Instagram portrait posts, Facebook portrait images, social media portraits.