Up & Coming Extensions
MailHops Requires Restart
MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.
新同文堂 (New Tong Wen Tang) Requires Restart
NewTongWenTang is a tool to switch display Chinese content between traditional and simplified glyphs (中文繁簡體互轉工具)
KeePass Helper Requires Restart
Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.
Sun Cult Requires Restart
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
ViewAbout Requires Restart
Enables access to various about: dialogs from the View menu.
Add Signature Requires Restart
Simply add your signature manually (right mouse click) to your emails
Copy As Plain Text Requires Restart
Removes formatting from copied text.
Disable "You" Requires Restart
Addresses in the From/To/Cc headings are since Thunderbird 3 replaced with word "You" if they match any of your identities. This extension disables this function.
Tag Toolbar Requires Restart
Add toolbar for toggling tags.
Blinking Alert Requires Restart
Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.
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.
Text Link Requires Restart
Allows URI texts written in webpages to be loaded by double clicks.
Babylon Dictionary Word Search Requires Restart
Find the definition for a selected word in a web page or an email.
Right click over the selected word, choose the option "Search in Babylon" and that's it! You will have a new window with the definition of the selected word.
Account Colors Requires Restart
Associates user-defined colors with accounts and identities. Applies these colors to accounts, identities, folders, message list, message headers and compose headers. Users will always know which accounts/identities they are working with.
Folder Account Requires Restart
Lets you associate user accounts and identities with specific folders. Great for multiple users who share TB, or for managing mailing lists.
SmilieInserter Plus Requires Restart
Insert smilies in messages.
Hide Local Folders Requires Restart
Removes the "Local Folders" entry from the folder pane.
SmartSave Thunderbird Extension Requires Restart
Now you can export your messages in a smarter way! You can export all folders and subfolder esaily from your local folder or from your IMAP...
EmailPicky 4 Requires Restart
Grab email addresses from emails from any selected Email Folder and add them to your contacts. (Email Crawler / Email ID Grabber / Bounced email collector) - Thunderbird Plugin
Note: It doesn't create duplicates, but shows as 'xxx messages added'.
Console² Requires Restart