The 1.1 version of icnsDrop for Mac was provided as a free download on our website. This free Mac app is an intellectual property of 1951FDG. IcnsDrop for Mac is included in Theming Tools.
From the developer:
icnsDrop converts selected images in Finder to Apple's icns format using the makeicns command.
icnsDrop can be launched with a quicklaunch application or can be integrated with the Finder toolbar.
Convert images to icns format.
Requirements:
- PPC / Intel, Mac OS X 10.5 or later.
You may want to check out more Mac applications, such as Iconographer X, LeopardDocks or Screen Crosshair, which might be similar to icnsDrop.