1-inch / 2-inch ID Photo Size Guide
Common ID photo size reference: 1-inch, small 1-inch, 2-inch and pixel hints, so you can export the right spec.
Common reference (~300 DPI): 1-inch ≈ 295×413 px, small 1-inch ≈ 260×378, 2-inch ≈ 413×579.
Requirements vary by platform — double-check the target spec before submitting. You can also keep the original pixels and only change the background.