Square1080×1080
The classic 1:1 feed post. It still works, and it is the easiest file to reuse, but it takes the least vertical room in the feed.
- Export size
- 1080×1080
- Aspect
- 1:1
Source: Instagram Help — photo resolution
How to export it
- Open the tool and drop in the photo. It stays in this browser.
- This preset is preselected. Drag the frame, or use Focus on detail, until the subject sits where you want it.
- Check any other sizes you need and download. A single size saves as a file; several sizes save as a ZIP.
1080×1080
What the overlay is warning you about
This placement has no interface covering the picture. The whole frame is the design.