Documentation Archive


Asset Catalog Format Reference

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Icon Set Type

A set of OS X icons in the .iconset format.



Folder Contents

.png files for the icons. Each file has a name of the form:


  • width is the width of the icon in pixels.

  • height is the height of the icon in pixels.

  • @2x is optional and specifies that the icon is for Retina displays.

For example, a fully specified OS X icon set contains the following files:

  • icon_16x16.png

  • icon_16x16@2x.png

  • icon_32x32.png

  • icon_32x32@2x.png

  • icon_128x128.png

  • icon_128x128@2x.png

  • icon_256x256.png

  • icon_256x256@2x.png

  • icon_512x512.png

  • icon_512x512@2x.png

For more information on OS X icons, see Icon and Image Design.