Newest Extensions
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Equations Requires Restart
Insert inline LaTeX equations into e-mail messages.
Couch Managers Mock Draft Monitor Requires Restart
Follow your slow CouchManagers mock draft from your status bar. Keep track of the draft progress and know right when you're on the clock.
Show Password On Input Requires Restart
Gives an option to show the master password on input
Disable Folder Drag Button Requires Restart
Add Disable-Folder-Drag button.
Zindus Requires Restart
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
Return Receipt Toolbar Button Requires Restart
Allow you to add a Return Receipt button to mail compose window toolbar.
Text2Link Requires Restart
Text2Link is a simple and easy-to-use way to copy the text of a link, or to open URLs and send emails to addresses not marked-up as HTML links.
JSW:O Alert Requires Restart
Receive alerts for "Jet Set Willy: Online" hosted games
KOLOBOK Smiles for Firefox Requires Restart
Firefox extension for KOLOBOK-Style smiles (http://www.kolobok.us/)
(based on Smiley Extra version 4 by James Baker)
Toolbar to use kolobok smiles in forums and blogs.
South African English spell checker Requires Restart
The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.
"No more eina, just a lekker spell checker!"
SQLite Manager Requires Restart
Manage any SQLite database on your computer.
Firesizer Requires Restart
Allows you to resize the window to specific dimensions.
NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.
Auto Resize JPEG Requires Restart
Resizer for inline and attachment images (only JPEG format).
For Windows only.
xSearchbarT2 Requires Restart
Somewhere between Thunderbird 1.5 and Thunderbird 2 the message search bar disappeared. This extension restores the search bar. Thunderbird 2 and newer only.
Boomerang Requires Restart
Boomerang E-Mail is an Add-on for the Thunderbird E-Mail-Client and is based on the Boomerang e-Mail algorithm (patent pending).
It provides functionality to send a certain e-mail (including attachments) to several recipients one after the other and...
Folder Filters Button Requires Restart
Just a very simple add-on that adds a toolbar button to execute the "Run Filters on Folders" from Tools menu.
To create your own collections, you must have a Mozilla Add-ons account.