Up & Coming Extensions
Signal Spam Requires Restart
Add simple functions to report spams or phishing to Signal Spam by one click.
The add-on will also alert you if you open a fraudulent e-mail (phishing).
KeeFox Requires Restart
Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.
rikaichan Requires Restart
Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...
By blocking annoying ads and nosy trackers, adaware ad block nearly doubles your browsing speed! And with the most robust antivirus-level cloud-scanning technology of any ad blocker on the market, you’ll be safe from the latest cyber-threats.
Rikaichan Japanese-English Dictionary File Requires Restart
This is a dictionary file add-on for the Rikaichan extension.
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.
AutoCopy Requires Restart
Select text and it's automatically copied to the clipboard. Also pastes on middle click.
Show Address Only Requires Restart
Adds columns to display Sender/Recipients mailaddress only.
Disables selection of the next message when deleting
Saved Password Editor Requires Restart
Adds the ability to create and edit entries in the password manager.
FiltaQuilla Requires Restart
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.
Keychain Services Integration Requires Restart
Store usernames and passwords in your Mac OS X Keychain.
Grammar Checker Requires Restart
Checks grammar using LanguageTool.
Join-NG Requires Restart
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".
Toggle Headers Requires Restart
Allows to switch between the normal header view and viewing all headers when viewing a message by using a keyboard shortcut (H).
Super Date Format Requires Restart
Fully customize the date format of the Date/Received column.
ThreadKey Requires Restart
Strike the 'T' key to sort messages by thread, strike the 'U' key to sort them unthreaded again, just like the 'G' key switches to Grouped By Sort view
Zoom Button for Thunderbird Requires Restart
Zoom in, zoom out, and reset zoom with one toolbar button. Works in the Compose window too.
SearchIMDB Requires Restart
Search the highlighted text at IMDB.
Quicktext Requires Restart
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.