Add-ons

Linkification by y5

Converts text links into genuine, clickable links...

Copy Urls Expert by Kashif Iqbal Khan

Copy multiple urls (links) to clipboard. Provides options to copy urls of all opened tabs and urls in selected text. You can customize the format of copied urls. You can also open multiple links from clipboard.

Private Tab by Infocatcher

Adds private tabs.

Element Inspector by zbinlin

In the DOM Inspector,quickly navigate to the any elements

Addons Manager Hilite by custom.firefox.lady

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

Google Privacy by Herrminator

Make some popular websites respect your privacy settings.
Please see the known issues below!

Charset Switcher by yuoo2k

Supports to customize the Default Character Encoding for each sites.

Dictionary Switcher by Dao Gottwald, MrWarper

Toggles dictionaries automatically or manually and displays the currently selected one

Restartless Restart by Erik Vold

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Collector's Note див. restartFox

Password Tags by Daniel Dawson

Adds metadata and sortable tags to the password manager.

About Startup by Mike Hommey

Displays startup timings

Extension List Dumper by Sogame

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...

Autohide Tabbar by Zen

This extension auto-hides the tab bar.

Whois & Flags Firefox & Websites Popularity Rating by myip.ms

Display Country Flag indicating Website Physical Location (Country, State, City). Website Popularity (Live Visitor Statistics). Shows how many users are visiting any World Website per day. Website IP IPv6 Addresses, DNS, Hosting. IP Whois Lookup

Multiple Addon Deactivator by ChrisLE

Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time