One of the neat features of Firefox is the ability to customize the browser with Extensions, Themes and Plug-Ins. But sometimes there are problems a theme does something funky to your browser. Or may be an extension goes haywire and gets corrupted. Then there is the site you visit that just doesn’t behave or display the way it should (missing plug-in). Finally, lets add into the mix, multiple builds & versions of Firefox. There are so many possibilities of what could be the problem. If you have a lot of extensions (last count for me was 40) installed, it is hassle to list them all.

Whenever anyone posts on Go Firefox! a more advanced problem they are having the first thing I recommend they do is install the InfoLister extension. In a matter of seconds the extensions generates a report with loads of information:

  • The build/version of Firefox and your OS
  • Complete list and a total number of extensions (including enabled & disabled)
  • Listing of all the themes installed and which one is currently in use
  • Simplified listing (compared to about:plugins) of the all installed plug-ins

With this information it is very easy for me to see if the user is running an outdated extensions, a problematic theme, a troublesome (Yahoo!) or missing plug-in. Below is the results when I run InfoLister on this profile…

Last updated: Wed, 10 May 2006 04:20:21 GMT

User Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20060426 Firefox/


Extensions (enabled: 40, disabled: 0):


Themes (4):


Plugins (12):

  • Adobe Acrobat
  • Java(TM) 2 Platform Standard Edition 5.0 Update 6
  • McAfee Clinic
  • Microsoft® DRM
  • Mozilla Default Plug-in
  • PCMan’s IE Tab Plug-in for Mozilla/Firefox
  • QuickTime Plug-in 7.0.3
  • RealJukebox NS Plugin
  • RealPlayer Version Plugin
  • RealPlayer(tm) G2 LiveConnect-Enabled Plug-In (32-bit)
  • Shockwave Flash
  • Windows Media Player Plug-in Dynamic Link Library

3 Trackbacks & Pingbacks

  1. Firefox 3.6 about:support « The Firefox Extension Guru’s Blog
  2. Replacement for Infolister | Firefox Extension Guru's Blog
  3. The Guru's Extensions | Firefox Extension Guru's Blog

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