Tool of the Day

App Store Screenshot Generator & Validator (2026)

Validate screenshots for the Apple App Store exactly to specs. Check your 6.9", 6.5" and 5.5" screen rules instantly.

Upload Screenshots

Drag and drop multiple images or click to validate in bulk

App StoreGoogle PlayBulk Support

Why Validation Matters

Have any ideas or found a bug?

How to Use the Validator

Follow these simple steps to ensure your app screenshots are perfect for submission.

1

Upload Your Image

Drag and drop your screenshot or click the upload area to select a file from your computer.

2

Instant Validation

The tool instantly detects dimensions and compares them against current store requirements.

3

One-Click Resize

If your size doesn't match, use the "Auto-Resize" button to generate a perfect fit for any device.

4

Download & Upload

Preview your resized image and download it for immediate use in App Store Connect or Google Play Console.

Frequently Asked Questions

Everything you need to know about app store screenshot requirements.

What are the required iPhone sizes for 2026?

Apple currently requires 6.9" (iPhone 16 Pro Max - 1320x2868) or 6.7" (1290x2796) and 6.5" (1242x2688) for all iPhone apps. iPad apps require 13" or 12.9" device screenshots.

Does this tool support Google Play flexible sizes?

Yes. Google Play allows screenshots between 320px and 3840px with an aspect ratio of 2:1 or 1:2. Our tool validates these specific ranges automatically.

Will resizing reduce my image quality?

We use high-quality sampling algorithms on the canvas to ensure text remains crisp and colors stay vibrant during the upscaling or downscaling process.

Is there any cost or watermarks?

No. This is a free utility provided by ASO Studio to help developers. All exports are high-resolution PNGs with absolutely no watermarks.

App Store Screenshot Generator & Validator (2026)

Verified App Store Specifications

Dimensions for iOS Universal

Ensure maximum App Store optimization by uploading screenshots that fit the exact pixel geometries demanded by App Store Connect without cropping.

DeviceStore TargetResolution
iOS UniversalApple App StoreAll Modern iOS Sizes

Frequently asked questions

What is the correct screenshot size for iOS Universal?

The correct screenshot size for iOS Universal is exactly All Modern iOS Sizes. Our validator will check your images automatically.

Is the All Modern iOS Sizes resolution required for Apple App Store?

Yes, Apple App Store strictly requires All Modern iOS Sizes uploads for this device.

Screenshots finished?

Stand out on Google Play with an eye-catching hero banner. Try our Feature Graphic Generator!

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