Mac OS Developer Tools
IconBuilder is very outstanding tool resize icon image and rebuild detail for it.
Generate your unique icon. Improt and exprot most popular icon type for you. Get all icons resolution for multiple platforms , just dorp and simple click.
Dragging JPG & PNG & PSD File improt
Padding & Rounded
Exprot icons for iPhone, iPad, Mac, Apple Watch, Android, Mac Icns
Slice the assets and export
Fix zoom is invalid