Crop an Image to 4:5 (Free, Locked Ratio)
4:5 portrait is the tallest standard Instagram feed format — which gives you the largest visible image on screen. The Crop tool locks the frame to a perfect 4:5 so vertical feeds never re-crop your work.
Try the free tool now
100% in your browser — no upload, no account, no watermark.
Open Crop Image to 4:5 RatioWhy 4:5 outperforms squares
Instagram's feed favors vertical content: a 4:5 image (1080×1350) occupies more screen than a square before engagement begins. Many trackers report noticeably higher reach and saves for 4:5 posts.
Crop to 4:5 in minutes
- Open the Crop Image tool.
- Drop your photo.
- Choose the 4:5 preset — the frame locks to the exact ratio.
- Drag the frame over the subject and download.
Leave headroom at the top: the thumbnail crop in feeds can be tighter than the full post.
Sharp at full resolution
Crop first, then resize to 1080×1350 for an extra-sharp export on retina phones. Both tools run entirely in your browser.
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Frequently Asked Questions
What are the pixel dimensions of 4:5?
Instagram recommends 1080×1350 for 4:5 posts — that is exactly the ratio the preset locks.
Will posts get cropped after upload?
Feeds may preview the image with a slight crop. Keep important content with margin so the preview stays clean.
Does 4:5 work for Reels covers?
Reels covers are usually 9:16, but the 4:5 export still makes a strong feed post after the reel.