User-Agent Switcher and Manager

Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.

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User-Agent Switcher and Manager is available to install from Firefox Browser Add-ons and for download from this page. It has 93,557 active users The latest version is 0.5.0, and it was published a year ago.

All available versions

You can find the current and older versions of User-Agent Switcher and Manager here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

How to install User-Agent Switcher and Manager from an XPI file

1. Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install User-Agent Switcher and Manager from a ZIP file

1. Download the User-Agent Switcher and Manager ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the User-Agent Switcher and Manager ZIP file from step 1. User-Agent Switcher and Manager is now installed on your browser.