User-Agent Switcher and Manager Firefox

Download User-Agent Switcher and Manager

By: Ray
Download User-Agent Switcher and Manager (current and past versions) for Firefox
Latest Version: 0.6.7 Updated: 2 months ago

Ready to install?

User-Agent Switcher and Manager is available to install from Firefox Add-ons Store and for download from this page.
View source code
83,561
Daily users
4.1
783 ratings
32
Total downloads

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 download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
0.6.7XPI · ZIP · Source code866.08KB12026-04-24
0.6.6XPI · ZIP · Source code835.48KB82025-10-15
0.6.5.1XPI · ZIP · Source code828.00KB92025-05-27
0.5.0Paid users only753.16KB142023-04-26
0.4.9Paid users only749.48KB02022-12-23
0.4.8Paid users only746.93KB02022-05-22
0.6.7 866.08KB
2026-04-24 · 1 downloads
XPI ZIP Source code
0.6.6 835.48KB
2025-10-15 · 8 downloads
XPI ZIP Source code
0.6.5.1 828.00KB
2025-05-27 · 9 downloads
XPI ZIP Source code
0.5.0 753.16KB
2023-04-26 · 14 downloads
Paid users only
0.4.9 749.48KB
2022-12-23 · 0 downloads
Paid users only
0.4.8 746.93KB
2022-05-22 · 0 downloads
Paid users only

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
  • Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

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

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