Use different user agents for different websites.
Custom UserAgent String
Add a custom useragent string for desired URLs or domains.
Quickly and easily switch between popular user-agent strings.
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
User-Agent Switcher is a quick and easy way to switch between user-agents.
This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.
Old Layout for Facebook
Revert Facebook to the Old Layout (pre-Sep 2020) by changing your browser's user-agent string to one not supported by the new layout
Enhancer for YouTube
Tons of features to improve your user experience on YouTube™.
Erase specified users in the blacklist
HaTeMiLe for Browser
Improve the accessibility of web pages, especially for users who use screen readers or navigate using the keyboard.
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
Regain control of the web and surf more securely.
WebMoney Advisor Next
Internet users feedback about the sites
Show rating of posts and comments for authored users
Extension for increasing security and privacy level of the user.
Automatically redirect content based on user-defined rules.
Mobile View Switcher
Switch to mobile view with one click via toolbar button.
Filter request headers
Block certain values (cookies, etc.) from http request headers.
Temporary Mobile View
Temporarily switch the current tab into Android or iOS view
Bulk URL Opener
A browser addon / extension that provides the user with lots of features to handle lists of urls.
Adds automatic keyboard switching on duolingo.com based on the user preferences.
Custom menu allows the user to create a menu to access various network resources.
Extension enabling user to access FileFox.pl functionality
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Your public IP address and other tracking info
FontARA Font Changer
With FontARA Persian(Farsi,Dari,Kurdish) users can change the font on most popular sites such as Facebook, Twitter, etc.
This extension tries to fill every user input form field which was collected earlier..
Allows users to create shortcuts that, when entered into the URL bar, will redirect them to the preset page.
Badge counter for Gmail
Get badge counter for a custom user search query. Click on the toolbar button opens the newest email.
Auto-switches to a preset tab or cycle through tabs after the user becomes inactive.
Allows you to block YouTube™ videos and comments by blacklisting users and/or by using regular expressions.