Up & Coming Extensions
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.
withAttach Requires Restart
This extension adds a menu option (and a toolbar button) to compose an email "with attachments"...
Rikaichan Japanese-French Dictionary File Requires Restart
A dictionary file for Rikaichan.
ThunderCal Requires Restart
ThunderCal simply gives you a toolbar button that you can use to run Google Calendar inside Thunderbird. Inspired by the ThunderWave add-on.
SmoothWheel Requires Restart
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
Auto Address Cleaner Requires Restart
Removes comment, display name automatically from addresses before sending mail.
.vcs Support Requires Restart
Import and export calendar files in vCalendar (.vcs) format
ColumnsWizard Requires Restart
Adds some magic to the mesasges list columns!
With this addon you can:
* Add a custom column
* Set the default columns for any new folder.
* Show hidden columns in the Conversation Tab.
* Edit a mail header value for a single message.
URL Link Requires Restart
URL Link is a small Firefox and Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.
gContactSync Requires Restart
Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
Exit Button Thunderbird Requires Restart
Adds a toolbar button to exit Thunderbird. Go to View menu, Toolbars, Customize... and drag the icon where you want...
Extra Format Buttons Requires Restart
Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.
Minimum and fast URL blocker.
www.Translate Requires Restart
Multi-Translator from Google, Bing and Pragma.
Translation tool for your Firefox and Thunderbird with a simple and friendly interface.
Link Properties Plus Requires Restart
Provides extended link properties: size of linked file, last modified time, etc.
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
WordReference Translator Requires Restart
Open a tab with WordReference's translation for the selected word. Through a floating link, or by pressing "D" key.
Sender Name Requires Restart
Launchy Requires Restart
Launchy will enable you to open links and mailto's with external applications...
Birthday Reminder Requires Restart
Birthday Reminder reminds of upcoming birthdays for all contacts in Thunderbird's address book. Supports Lightning, reminders and even Google Calendar :-)