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.
CloseDeveloper reply by Arnaud Abelard
Rated 1 out of 5 stars
does not work on TB 17.0.6 and gmail
greyed out
It's been intensively tested with gmail on all versions. No reason it shouldn't work for you. It's probably due to another extension conflicting with it.
To create your own collections, you must have a Mozilla Add-ons account.