Add-ons
Up & Coming Extensions
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MinimizeToTray revived
Join-NG
Requires Restart
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".
ImportExportTools
Requires Restart
Adds some tools to import and export folders and messages
Mail Redirect
Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
MinimizeToTray Reanimated
Requires Restart
MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.
FireTray
Requires Restart
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
DOM Inspector
Requires Restart
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
JavaScript Debugger
Requires Restart
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.
QuickDrag
Requires Restart
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.
Sea Fox
AutoPager Fixed
Requires Restart
AutoPager Fixed is a working version of AutoPager extension for Firefox 36+ (non-E10s mode) to autoload the next page(s) when you scroll pages.
ATTENTION: DISABLE THE ORIGINAL AUTOPAGER ADDON!
QuickPasswords
Requires Restart
Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.
Now also includes SSO change (multi-domain pw) and Backup + Restore.
AutoProxy
Requires Restart
Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.
Folderpane Tools
Requires Restart
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
Show History Popup
When you press the middle mouse button or scroll wheel mouse show popup window the history in the url bar and search bar.
Snic
Słowniczek
Requires Restart
Adds to context menu web dictonaries: Ling.pl, Dict.pl, Diki.pl, Angool.pl, MegaSłownik, Onet.pl: Tłumacz and Synonimy.pl
Find Image Copies
Requires Restart
The Find Image Copies Firefox extension helps you quickly find image copies. Search for image copies straight from the right-click menu in any website.
Tab Clicking Options
Requires Restart
Select actions for various clicking events on a tab or the tab...
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