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Addons Quick Search
Requires Restart
Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.
Novacoin Antispam
Requires Restart
Keep a correspondence with only the well off people.
For donate 4VgkLjNQHDcawXbvuTry3X4V2WEXP66vay
Window Master
Functionality for multiple screens and windows. Easily open links in other windows or on other screens, move or merge tabs, and move or merge entire windows. With graphical controls for grid positioning.
Return Receipt Toolbar Button
Requires Restart
Allow you to add a Return Receipt button to mail compose window toolbar.
Add-ons Button
Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.
Rikaichan Japanese-Hungarian Dictionary File
Requires Restart
This is a dictionary file add-on for the Rikaichan extension.
Extension List Dumper 2
Requires Restart
This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...
Column Reader
Web reader for wide screens and long documents. Read with pleasure in attractive layouts.
MyAdFilter
With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.
No More Install Delay
UPDATE: XPI delay has been removed in Firefox 40!
Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!
Unlike similar addons, this works on Firefox 4 and beyond.
OverbiteFF
Requires Restart
Add legacy protocol support back to Firefox and SeaMonkey with OverbiteFF, which restores support for Gopher servers, plus CSO/ph searches, finger, whois and more! Cross-platform JavaScript runs anywhere Firefox does.
Page Colors & Fonts Buttons
Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.
Show Password On Input
Requires Restart
Gives an option to show the master password on input
About Add-ons
Requires Restart
Adds an About button to extensions, themes, and languages in the Add-ons list.
All Menus Button
Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.
Restart App Button
Restart the current application, as you might need to do after installing a new extension or theme.
To create your own collections, you must have a Mozilla Add-ons account.