Welcome to Thunderbird Add-ons.
Add extra features and styles to make Thunderbird your own.Close
"Restart" menu and button, with configurable shortcut key.
Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?
Extension Auto-Installer No Restart
Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
Provides extended link properties: size of linked file, last modified time, etc.
Password Mask Changer No Restart
Changes the mask character used in password fields.
Classic Toolbar Buttons No Restart
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.
Beta builds on versions page!
Sends text selection or current web page URL to MyInfo.
Report und grafische Auswertung für Messungen mit dem XL2-Audio und Akustik Analyzer von NTi Audio
Switch the signature on/off or choose a new one from your predefined set...
Remove nested quotes when replying to a...
Make Thunderbird behave like Vim
UnMHT No Restart
UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
Periodic Memory Usage Dumper No Restart
Saves memory usage information periodically (mainly for troubleshooting), for web/addon developers.
Receive Kapaza ads as any RSS items.
It adds some options to launch easily other profiles and the Profile Manager.
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).
Manages subject of composed emails.
Simply add your signature manually (right mouse click) to your emails