Iconic
Dia icons for Mac
5 alternative Dia icons for macOS, made by 4 designers, including guyro, sidewinder and shindgewongxj. The most popular one has been downloaded 330 times. Newest added December 2025. Every icon is a 1024×1024 PNG with a transparent background, sized for the Dock.
How to use a custom Dia icon
- Pick an icon below and download the PNG.
- One click with Iconic: select Dia in the sidebar, search, click the icon. Iconic restarts the Dock for you.
- Or by hand: open Finder → Applications, select Dia, press ⌘I, then drag the PNG onto the small icon at the top of the Info window. Full guide.
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FAQ
Are these Dia icons free?
Yes. Every icon on this page is a free 1024×1024 PNG download, credited to the designer who made it. No account needed.
How do I change the Dia icon on my Mac?
Select Dia in Finder, press Command-I, and drag the PNG onto the icon at the top of the Info window. Or use Iconic to apply it in one click.
Will the custom icon survive Dia updates?
An app update can replace the app and bring the stock icon back. Iconic's background service notices updates and reapplies your custom icon automatically.