Question 1

How do I generate an AppIcon set for Xcode?

Accepted Answer

Upload a square PNG or JPG that is at least 1024x1024, and the tool produces an AppIcon.appiconset zip containing every required icon size plus a Contents.json. Unzip it and drag the folder into your Xcode asset catalog.

Question 2

What does the generated zip actually contain?

Accepted Answer

It contains a ready-to-use AppIcon.appiconset folder with all the required PNG sizes scaled from your source image, along with a matching Contents.json that maps each file to its idiom and scale. You do not need to add or rename any files manually.

Question 3

Why does my image get rejected, and does it have to be exactly 1024x1024?

Accepted Answer

The source must be square and at least 1024x1024, so non-square or smaller images are rejected to avoid blurry upscaling. Larger square images are fine; they are downscaled to each required size.

Question 4

Is it free, and does it work offline without an account?

Accepted Answer

Yes, it is completely free with no account required, and the icon generation runs entirely in your browser. Once the page has loaded it keeps working even without an internet connection.

Question 5

Is my image uploaded to a server?

Accepted Answer

No. Your image is processed locally in the browser and never leaves your device, so nothing is uploaded, stored, or tracked. The zip is built on your machine.

macOS Icon Generator

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