1. Instagram post size.
- Instagram posts can be square, landscape, or vertical. All images will be cropped to a square in the feed.
- The ideal size for square posts is 1080px by 1080px at a 1:1 aspect ratio.
- For landscape posts, use an image that is 1080px by 566px, with an aspect ratio of 1.91:1.
- Vertical images should be sized at 1080px by 1350px with a 4:5 aspect ratio.
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