Crop Instagram portrait post
The 4:5 portrait takes up the most space in the feed. Crop to exactly 1080×1350 pixels – local and without upload.
Instagram Portrait (4:5) – sizes & tips
The optimal size for Instagram Portrait (4:5) is 1080×1350 pixels at an aspect ratio of 4:5. CropInSeconds locks cropping to this ratio automatically, so your image is never distorted.
Upload a high-resolution source image so no quality is lost when scaling to the target resolution. JPG works well for photos, PNG for graphics with transparency.
Frequently asked questions
What size is a Instagram Portrait (4:5)? +
The recommended size is 1080×1350 pixels at an aspect ratio of 4:5.
Does CropInSeconds export exactly 1080×1350 pixels? +
Yes. Your image is cropped and exported at exactly 1080×1350 pixels – with no distortion, because the 4:5 aspect ratio is locked.
Is my image uploaded for the Instagram crop? +
No. All cropping happens locally in your browser – with no upload at all.