Based on our record, Pictogram seems to be a lot more popular than IcoFX. While we know about 30 links to Pictogram, we've tracked only 1 mention of IcoFX. 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.
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
I'm not sure if it works on Finder, but you can use Pictogram and use icon files from macOS Icons to change the app icons. Source: 12 months ago
If you don't want to change the icon manually everytime after an app update, you should get Pictogram. Source: about 1 year ago
You can also use Pictogram for the custom icon to persist through the updates. Source: about 1 year ago
Pictogram is free and does the job. It doesn't work with apps from the App Store, but neither do any of the alternatives so if you want to customize those you'll have to do it manually. Source: about 1 year ago
That will not persist across app updates. Pictogram can do this though (it's free). Source: about 1 year ago
IconsExtract - Extract icons and cursors stored in EXE, DLL, OCX, CPL files
Replacicon - Just updated to macOS Big Sur? You may have noticed some of the apps in your Dock look a bit inconsistent with the rest of the system.
JDraw - Open Source SF.net
MacOSicons.com - Free 5000+ macOS app icons in the style of macOS Monterey, Big Sur. Fully open source and community led. How to install custom icons on macOS Monterey, Big Sur.
IconWorkshop - Application to create and manage software icons. A must for developers.
LiteIcon - LiteIcon is a simple app which allows you to change your system icons quickly and easily.