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Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Developer Edition theme enabler No Restart
Enables the DevEdition theme on beta or release, and adds an entry in the Appearance's tab. Uninstalling this add-on removes the DevEdition theme from the add-on manager.
Youtube AgeRestriction Unblocker No Restart
Bypass age restricted youtube videos with one click!
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.
Night Mode Pro No Restart
Switch to night mode and the display is much easier on the eyes!
Allow an easy access to the system commands and other programs in your computer.
Forecastfox (fix version) Featured
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
UI Eraser No Restart
Hide Firefox User Interface.
Nouveau service pour se connecter plus rapidement et plus facilement !
↓ Cliquez sur le bouton jaune "Ajouter à Firefox" pour accéder au service :
All Menus Button No Restart
Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.
Adds a toolbar button to exit Firefox...
Picture Blocker No Restart
Block/Allow image loading by pressing user-defined hot keys and/or a toggle button. Inspired by the add-on 'Image Block' by Hemant Vats.
Textmarker No Restart
Highlighter with different colors, saving options, customizable highlight styles and undo/redo functionality.
Select some text, press M - done.
Changes can be stored in textMarker history for later visits.
Provides Focus Last Selected Tab and Tab flipping functionality (based on the FLST extensions by Gorgias and Gozer, but ported to Firefox 4/5 and repaired Tab flipping functionality). Enjoy!
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.
Wikiwand: Wikipedia Modernized No Restart
Good old Wikipedia gets a great new look
Pick That Color No Restart
A simple lightweight addon for selecting any color from web pages. It copies the Hex color code of any pixel that is displayed in your browser to clipboard. Just click the color wheel button near your address bar or press 'Ctrl+Shift+z'.
Hide title bar if window is maximized.
This extension created only for GNOME 3. It can create problems with another DE (KDE, XFCE, etc). However, you can use HTitle at your own risk (need enable "legacy" mode on settings page).
Throbber Restored No Restart
Restores the activity indicator, also known as throbber, to Australis. Can use default images from FF28 or load your own.
JSON-formatter No Restart
Click addon's icon to quick format JSON document with tabs and new lines.