Check your screenshot sizes.
Check the dimensions, file format, and alpha channel of your iPhone or iPad screenshots before adding them to App Store Connect.
Drop your screenshots here
PNG or JPEG. Up to 10 files, 25 MB each.
Files stay in your browser. No account needed.
What gets checked?
- Exact portrait and landscape dimensions for iPhone and iPad displays.
- Actual PNG or JPEG file data and the matching filename extension.
- PNG alpha channels and transparency data, including opaque images saved with an alpha channel.
Sizes and file rules checked on 2026-09-07 against Apple's screenshot specifications. For screenshot content and upload requirements, see the requirements guide.