IcoFX might be a bit more popular than iConvert Icons. We know about 1 link to it since March 2021 and only 1 link to iConvert Icons. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
This will also work and let you create Mac icns files for the same purpose. Source: almost 3 years ago
If you're looking for an icon editor, there are many available, such as IconWorkshop, Icofx, and Iconion, but I haven't tried any of those. Source: 10 months ago
ConvertICO.org - Create icons from png, jpg or bmp images easily.
IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
Ordinatore - Those who want to tidy up their Macs will surely love this application.
IconWorkshop - Application to create and manage software icons. A must for developers.
ConvertIcon! - Converticon is a simple icon utility.
JDraw - Open Source SF.net