App Store Screenshot Resizer

Resize images to Apple App Store required dimensions for iPhone displays.

Supported Sizes

Display	Portrait	Landscape
6.9" (iPhone 16 Pro Max)	1320 × 2868	2868 × 1320
6.5" (iPhone 11 Pro Max, etc.)	1242 × 2688	2688 × 1242
6.3" (iPhone 16 Pro)	1206 × 2622	2622 × 1206

Usage

python3 scripts/resize.py <input_image> [options]

Options

Option	Description
-d, --display	Target size: 6.9, 6.5, or 6.3 (default: 6.9)
-l, --landscape	Output in landscape orientation
-a, --auto-orientation	Auto-detect orientation from source
-b, --background	Padding color (default: white)
--all	Generate all three display sizes
-o, --output	Custom output path

Examples

# Single size (6.9" portrait)
python3 scripts/resize.py screenshot.png

# All sizes, auto-detect orientation
python3 scripts/resize.py screenshot.png --all --auto-orientation

# Landscape with black background
python3 scripts/resize.py screenshot.png -d 6.5 -l -b black

# Custom output path
python3 scripts/resize.py screenshot.png -o appstore_ready.png

Behavior

• Images are resized to fit within target dimensions while preserving aspect ratio
• Padding is added (centered) when aspect ratios don't match
• Output format is PNG by default; use .jpg extension for JPEG
• Requires Pillow: pip install Pillow --break-system-packages