This is an automator workflow that creates the new .iconset format for you.
- PNG image with 1024x1024px @ 72 dpi
- Folder "myIcon.iconset" on your desktop containting 10 icons:
- 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 (your copied, unchanged original image)
use as you like, don't bug me with support questions, but feel free to drop me a line (or better: a pull request) if you fixed something that was broken.