To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for HashColouredTabs+ by Richard_Odin_Johnson
Rated 3 out of 5 stars
In FF9, at least, works on some tabs but not on others. Context menu option for the unaffected tabs to "Set Icon Colour" is grayed out.
To create your own collections, you must have a Mozilla Add-ons account.