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 Firefox user 3d8d33
Rated 4 out of 5 stars
This addon is a great work! It will be absolute perfect if it saves the settings users made. And also with the option for domain-based settings.
To create your own collections, you must have a Mozilla Add-ons account.