User Agent Switcher
The User Agent Switcher extension is no longer actively maintained and is not compatible with the new extension framework in Firefox 57+.
![User Agent Switcher](https://cdn2.chrispederick.net/img/2023.7/work/user-agent-switcher/menu-600.png)
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser. The extension is available for Firefox and will run on any platform that this browser supports including Windows, macOS and Linux.