Add-ons
#1-Thunderbird Collection
by Dr. Turner
About this Collection
Tools I use every day that do not slow (I think) or crash Thunderbird. Send ideas if I've missed obvious inclusions. Thanks, Sherri Guilliams Turner
20 Add-ons in this Collection
Quicktext
by John Bieling
124,981 users
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Password Exporter
by Justin Scott (fligtar), Jorge Villalobos
102 users
This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.
CompactHeader
by jmozmoz
16,987 users
Add symbol in header plane to switch between compact and expanded view. Work only for Thunderbird 68.0 and older. Currently, there are no plans to update this for newer versions.
British English Dictionary
by Mark Tyndall
2,451 users
British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.
To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".
QuickFolders (Tabbed Folders)
by Realraven (Axel Grude), Alexander Malfait
15,218 users
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
Addressbooks Synchronizer
by Günter Gersdorf
24,900 users
Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers
Check and Send
by H.Ogi
20,892 users
Check the message contents and addresses before you send the message...
Toolbar Buttons
by Button Guy
381 users
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
FiltaQuilla
by R Kent James, Realraven (Axel Grude)
14,896 users
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.
Contacts Sidebar
by Jeroen Peters
82 users
Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.
Visit my Contacts Sidebar site for recent versions and news.
accountex
ToneQuilla
by R Kent James, Realraven (Axel Grude)
250 users
Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.
For Thunderbird 78 support of sounds, please check out Filtaquilla 3.1
Babylon Dictionary Word Search
by marioalv
5 users
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.
Maximize Message Pane
by H.Ogi
213 users
Maximize message pane by collapsing the thread pane. You can read a message in larger area without opening a new message window...
Sender Verification Anti-Phishing Extension
by Joshua Tauberer
0 users
Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.
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