smartphone iOS App Store Ready

Resize App Store Screenshots
To Exact Device Dimensions

Apple rejects screenshots that don't match required pixel dimensions. Select a preset, drop in your screenshot, and download — no uploads, 100% private.

All resizing happens locally using WebAssembly. Pick a device preset to auto-configure the correct dimensions for that iPhone or iPad.

Also available as an extension: Chrome Safari

Device Preset

cloud_upload

Drag & drop images here

JPG, PNG, WebP • Max 3MB per file

Files are processed entirely in your browser using a background worker.

File Original Compressed Savings Status

Why Downsize.pics for App Store Screenshots?

Apple's Exact Specs, Auto-Applied

Apple rejects off-spec screenshots. Select a preset and the tool sets the correct width and height instantly — no guessing.

No Alpha Channels, No Errors

Apple requires JPEG or non-transparent PNG. Our compressor defaults to JPEG, which has no alpha channel and is always accepted.

All Device Sizes, Locally

Switch between iPhone 6.9", 6.5", 5.5", and iPad Pro in one click. Resize your full set without uploading anything.

Perfect For

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FAQ

What screenshot dimensions does Apple require?
iPhone 6.9" (16 Pro Max): 1320×2868. iPhone 6.5" (11–13 Pro Max): 1242×2688. iPhone 5.5" (8 Plus): 1242×2208. iPad Pro 12.9": 2048×2732. Landscape versions swap width and height.
Does Apple reject screenshots with transparency?
Yes. Apple requires JPEG or non-transparent PNG. Our tool outputs JPEG by default — no alpha channel.
Are my screenshots uploaded to a server?
Never. All processing happens in your browser. Your screenshots never leave your device.
What is the maximum file size for App Store screenshots?
Apple allows up to 500MB per screenshot. The real constraint is matching the required pixel dimensions exactly.

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