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User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
39,087 users
User Agent Switcher
Easily override the browser's User-Agent string
22,321 users
User-Agent Switcher
Spoofs User-Agent strings of your browser
4,888 users
Custom User-Agent (Revived)
Add a custom useragent string for desired URLs or domains.
1,249 users
Best Proxy Switcher
Best Proxy Switcher was developed by the team, who provides proxy service since 2004 year. You can use Best Proxy Switcher with your own proxy or let it download most recently checked list from our web site automatically!
21,183 users
Random User-Agent
Automatically change the user agent after specified period of time to a randomly selected one, thus hiding your real user agent
432 users
User Agent Masquerade
Adds a button to the toolbar to switch the User-Agent header.
182 users
Proxy Switcher and Manager
Manage and switch between multiple proxies quickly and easily through profiles
3,923 users
Persona Switcher
Quickly switch between your personas or reset it back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox, Thunderbird, and Seamonkey.
1,288 users
AgentX
Customize the User-Agent string globally or per site.
1,073 users
JavaScript Switcher
Adds A Toggle button in URL bar, for toggling JavaScript individually per domain.
1,174 users
Mobile View Switcher
Switch to mobile view with one click via toolbar button.
1,746 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
1,341 users
usi (User|Unified Script Injector)
use UserScripts on your Firefox for Android with usi!
2,233 users
User Agent Switcher (Firefox)
Switches the User Agent string of the Firefox Browser on the requested webpage when set to on to the requested User Agent string.
367 users
strava-map-switcher
Map switcher for Strava website
246 users
Ixia Desktop SSO User Agent
Ixia IT’s custom Chrome extension to enable Single Sign On in this browser. This extension modifies the HTTP user-agent string for HTTP requests to fs.ixiacom.com. Contact it@ixiacom.com if you have any questions.
14 users
Location Switcher
Switching between development and production servers.
83 users
Usersnap Track
Usersnap Track is your central place to organize user feedback and bugs! Create screenshots with annotations directly in your Firefox browser. The screenshots will be saved in Usersnap Track or in your bug tracking / project management tool!
293 users
Amplifier AMP/Canonical switcher
Quickly switch between Canonical and AMP version of a page
93 users
whos.amung.us Users Online Counter
Shows how many people are currently on your website in accordance with our widget use. Visit our website for more info.
312 users
userChromeES
Like uc / userChromeJS+Sub-Script Loader, loads user scripts that uses WebExtension APIs via WebDAV server.
74 users
GitHub User Rank
This extension adds %programming_language% bars to every GitHub developer profile you visit. The more bits the language bar has, the more recognizable the developer is among his/her GitHub fellows that code in that language. Based on GitLance API.
45 users
Focuser
Set the focus on search boxes without using the mouse, just pressing Esc key
27 users
FB Hide User
Lets you hide the content of a Facebook user's posts and comments without blocking them.
26 users