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iOS icon generator

Generate all the app icons needed with a single command.

Usage

./ios-icon-generator [IMAGE]

The source image should ideally be square and larger than 180x180, as the current largest icon size is 180x180 (for the iPhone 6 Plus).

The script will create an AppIcon.appiconset/ directory with all the necessary files and metadata needed by Xcode.

Filenames and sizes come from Apple's documentation.

├── AppIcon.appiconset
    ├── Contents.json
    ├── Icon-60@2x.png
    ├── Icon-60@3x.png
    ├── Icon-76.png
    ├── Icon-76@2x.png
    ├── Icon-Small-40.png
    ├── Icon-Small-40@2x.png
    ├── Icon-Small-40@3x.png
    ├── Icon-Small.png
    ├── Icon-Small@2x.png
    └── Icon-Small@3x.png

Optimization

The icons will be losslessly compressed via ImageOptim (CLI), if available on your machine. The easiest way to install it is with:

npm install -g imageoptim-cli