osxiconutils

This software is no longer maintained and hasn't been updated for a long time.
The (very old) source code is available on GitHub

osxiconutils is a set of Mac command line utilities for retrieving, setting, converting and working with Apple icons (icns). Created a long time ago.

• seticon - set the custom icon of a Mac OS X file or folder [man page]

• geticon - retrieve the icon of a given Mac OS X file or folder as an icns file [man page]

• image2icns - convert an image file to a Mac OS X icns file [man page]

• icns2image - convert a Mac OS X icns file to a standard image file (JPEG, PNG etc.) [man page]

Download

• ⇩ Download osxiconutils binaries (64-bit Intel)

osxiconutils is free, open source software and has a home on GitHub.