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 Is It Compatible? by greatOrety
Rated 5 out of 5 stars
It's funny it reports itself as incompatible (compatible up to FF10). Still it's indispensable and should be incorporated in FF long time ago.
To create your own collections, you must have a Mozilla Add-ons account.