Hide Tabbar Requires Restart
Hide the tabbar by just pressing a key.
Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. This dark mode is supported by https://www.emojiselector.com
Search Helper - Enhance Google Requires Restart
Open Google search results in multiple tabs. Access your last search results from a toolbar button. Get similar sites for any Google search result.
Hide "Sign in to Sync" button in the menu.
Browsizer Requires Restart
Move and Resize Browser Window.
A highly customizable dark theme for Google products (search, images, translate, and contacts)
Add the full URL or hostname of the current web page to the window title. Designed to help other applications identify the current window. Helps KeePass (http://www.keepass.info) to identify the current URL for auto-type.
Go full screen with one click on the button.
Rebrand Requires Restart
This wizard creates an XPI that rebrands Firefox, SeaMonkey or Thunderbird. You can change the brand name as well as the brand images and icons.
Image-Show-Hide Requires Restart
simply turn on|off images on all web-pages and (optional) autoreload current...
kiosk-costaisa Requires Restart
RKiosk (Real Kiosk), fullscreen kiosk mode: all menus, keys etc. disabled
TextMarker Go Requires Restart
Allows to highlight the selected text.
1) three customizable colors for highlight
2) highlight functions as bookmarks
3) hotkeys for highlight selected text, remove highlights, and jump to highlighted text.
Menu Wizard Requires Restart Featured
Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey
Menu Mod Requires Restart
Adds many options to modify the Firefox menus. Presently...
Literal replaces Firefox's default PDF reader with a cloud connected and unobtrusive user interface. Keep track of your reading activity, history, and progress automatically, integrate with cloud storage, and upgrade your e-reading experience.
Noise Requires Restart
Make sound responses while events happen.
This add-on starts your browser in responsive design view by default.