Iconic
Firefox Developer Edition icons for Mac
8 alternative Firefox Developer Edition icons for macOS, made by 8 designers, including fsj, badlydrawnface and sidewinder. The most popular one has been downloaded 1,268 times. Newest added March 2026. Every icon is a 1024×1024 PNG with a transparent background, sized for the Dock.
How to use a custom Firefox Developer Edition icon
- Pick an icon below and download the PNG.
- One click with Iconic: select Firefox Developer Edition in the sidebar, search, click the icon. Iconic restarts the Dock for you.
- Or by hand: open Finder → Applications, select Firefox Developer Edition, 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 Firefox Developer Edition 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 Firefox Developer Edition icon on my Mac?
Select Firefox Developer Edition 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 Firefox Developer Edition 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.