Choose from many photo sizes, iPhone resolution to wide and HD, including full size image. See it larger for more details:
Different image sizes (resolution): 700 × 467 / 1536 × 1024 / 2048 × 1366 / 100 × 100 / 200 × 200 / 320 × 213 / 700 × 467 / 1600 × 1067 / 150 × 150 / 2249 × 1500