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.

What is user agent Switcher and manager?

"User Agent Switcher and Manager" spoofs browser's User-Agent string. This string is used by web servers to provide content to you. ... Using this extension you can alter your browser's "User-Agent" string and hence get the content for that particular device of interest.

What is user agent Switcher for Firefox?

User-Agent Switcher can quickly and easily changes your browser's user-agent. ... Toolbar popup UI provides an easy interface to access 26 user-agents. Clicking on any UA, will change your browser's user-agent after reload.