Mac maker Icns icon

Key steps:
1) Prepare a 1024x1024 PNG or JPEG file;
2) Download Fasticns utility to convert the icon to a Icns file. (which was wasn't ready since Apple requires [e-mail protected] After the retina screens release to the market.);
3) Iconutil--convert iconset Icon.icns, you'll get an Icon.iconset folder;
4) Iconutil--convert Icns Icon.iconset, you now get the final one.

<1>. Convert the Icns picture to PNG format (such as Mac.icns in the current directory, which will generate the corresponding Mac.iconset folder)
Terminal command: Iconutil--convert iconset Mac.icns
Mac.iconset
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Icon_512x512.png
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Icon_16x16.png
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Icon_32x32.png
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Icon_128x128.png
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Icon_256x256.png

<2>. Convert PNG images to ICNS format (such as Mac.iconset folder to Mac.icns, where 2x is doubled, e.g. [email protected] size is 32x32)
Terminal command: Iconutil--convert icns Mac.iconset

Mac maker Icns icon