Add-ons

Saved Password Editor by Daniel Dawson

Adds the ability to create and edit entries in the password manager.

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.

Session Manager by Michael Kraft

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Linky by gemal

Linky will increase your power to handle links. ...

eCleaner by flasresizerdeveloper

Clears preferences left by extensions after uninstallation

Closy by gemal

Provides close all blank/duplicate tabs and Close all tabs to the left/right plus many other options.

Tab Wheel Scroll by Matt H

Switch tabs by scrolling with the mouse wheel in the tab bar.

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.

Extension Manager Extended by Paul Spangler

Use the Addon Manager to view the id, date installed, compatible application versions, and the folder of an extension or theme. Check http://extended.spanglerco.com for more information and http://firefox.spanglerco.com for more extensions...

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...

MR Tech Toolkit by mrtech

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

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

Tabs Menu by Mikel Ward

Adds a Tabs menu to the main menu that lets you easily change between tabs.

Duplicate Tab by Twanno

Duplicate Tab allows you to clone a tab along with its...

Collector's Note This add-on also has a merge windows feature.