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 User Agent Switcher by Raul Agrait
Rated 4 out of 5 stars
To all those having problems finding the options in FF4: To see the User Agent Switcher options again, you just have to turn on the Menu Bar, which is turned off by default in Firefox 4.
Firefox Button In Top Left --> Options --> Menu Bar
To create your own collections, you must have a Mozilla Add-ons account.