Add-ons
My Favorite Add-ons
by Dopamine97
About this Collection
My favorite add-ons
32 Add-ons in this Collection
Addressbooks Synchronizer
by Günter Gersdorf
26,507 users
Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers
Check and Send
by H.Ogi
22,342 users
Check the message contents and addresses before you send the message...
Notepad (QuickFox)
GNotifier
by mkiol
13 users
Add-on for Thunderbird that replaces the built-in notifications with OS native ones. It supports most Linux Desktop Environments as well as Windows 8.1/10.
Account Colors
by DW-dev
3,396 users
Associates user-defined colors with POP3/IMAP 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.
Tag Toolbar / Tag Popup
Toolbar Buttons
by Button Guy
311 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.
Folderpane Tools
by chuonthis, Philip Chee
200 users
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
Checkbox Column
by Michael Ganss
171 users
Adds a custom column to Thunderbird's messages list (thread tree), making it easier to select multiple messages on devices with a touchscreen display.
Restartless Restart
by Erik Vold
14 users
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
ThunderTabs
by realgt
10 users
This add-on is a button on your toolbar that lets you open web apps as Tabs in Thunderbird. Use it to load Google Mail, Google Wave, Google Voice, and other "inboxes" (or any url) as tabs within Thunderbird, making it your communications hub.
More Snooze
by Cyrille Nocus, peci1
729 users
This add allow to customize the snooze delay when snooze popup appears (lightning required).
WebApp Tabs
by Mossop
12 users
Allows you to configure a set of WebApps to open easily as tabs within Thunderbird trying to give them all the functionality that you'd find in Firefox.
XNote
by Pierre-André Galmes, nmweb, others
0 users
Persistent sticky notes for Thunderbird associated to mails...
Update Notifier
by Todd Long
0 users
Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.
Notifies you when updates are available for your extensions and themes.
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