Is there a Firefox feature, setting, or add-on that arranges it so that the favicon of the currently open web page becomes the icon of the browser window in Linux/X11? In particular, it ought to show up in the window manager's task bar. Konqueror does that, and I find it very useful, considering that many "applications" are nowadays web pages.

  • Not that I need that much this feature, but I'm now interested/curious about it! Nice question!
    – dag729
    Jan 9, 2010 at 18:09
  • 1
    Nice feature idea. Jan 12, 2010 at 6:22
  • still looking for such add-on.. Jan 12, 2010 at 10:26
  • worth a bounty... Jan 18, 2010 at 14:12
  • i don't use KDE or Konqueror, but i'd wonder whether the behavior you describe works properly under GNOME vs under KDE. my feeling is that this is more a job for the window manager / taskbar than the application. just a guess, though, i'm not an expert in the interiors of linux desktop environments. Feb 10, 2010 at 18:23

2 Answers 2


Not a ready answer yet, but might lead in the right direction:

One could use xseticon as pointed out here.

Still open:

  • automatically get the faviocon of actual page
  • store it somewhere
  • use wmctrl to find out the id of the firefox-window
  • call xseticon

One option is using Mozilla Prism firefox extension which allows you to run a webpage in its own dedicated window. It will use the favicon for the browser window icon.

  • That's an interesting idea, and related in spirit to my question, but it doesn't really do what I want. I couldn't actually get it to work either. Jan 14, 2010 at 16:14
  • There is a standalone version of Prism as well (prism.mozilla.com), but that is diverging even further from your original request. Too bad the plugin didn't work, still in the "labs" I guess...
    – chris
    Jan 15, 2010 at 6:39

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