How to resize for Instagram
Drop your photos.
4:5 is already selected; choose 1:1 or 9:16 if you like.
Press Crop, then resize to 1080 wide.
Crop photos to Instagram's shapes so nothing important gets cut off.
Square post: 1080 × 1080 (1:1). Portrait post: 1080 × 1350 (4:5), which takes up the most screen space in the feed. Stories and reels: 1080 × 1920 (9:16).
Crop to the shape here, then use Resize with width 1080 so Instagram doesn't re-compress your photo as much.
Drop your photos.
4:5 is already selected; choose 1:1 or 9:16 if you like.
Press Crop, then resize to 1080 wide.
4:5 portrait, because it fills more of the screen in the feed.
Very large photos are compressed harder. Resizing to 1080 pixels wide first helps.