Thunderbird Add-ons? Here's Some Great Ones!
by Ken Saunders
About this Collection
Thunderbird add-ons that I've either used for years, or tested and highly suggest.
56 Add-ons in this Collection
Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers
Extracts all attachments from selected messages and then can delete, detach or mark-read.
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)
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!
Add more items to Add-ons Manager context menu.
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
Displays icon for user agent of received mails.
Check the message contents and addresses before you send the message...
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
This addon adds month tabs into Lightning calendar month view
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
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.
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.