Add-ons
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Markdown Here Revival
A revival of the popular Markdown-Here addon for Thunderbird.
Markdown Here Revival is a Thunderbird extension that lets you write emails in Markdown and render them as HTML before sending.
Copy Sent to Current
Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.
Sum it up
The extension adds a button called Sum it up which takes content of a message and asks a locally running large model to summarize it in 50-100 words. It requires API of a llama.cpp or ramalama server running locally. No content leaves the local host.
Toggle Quotes (Collapse Quotes)
Adds a Toggle Quotes button, allows to collapse quotes.
Profile Switcher
Header Tools Improved
Allows to modify headers and source of messages
Compact Headers
Extract 'Em!
Featured
Extracts attachments from messages within an account or folder, with the option to select specific attachments. By default, extracted attachments are saved to a .zip file.
Provider for Google Calendar
Provider for Google Calendar connects Thunderbird with Google Calendar for full task sync, conference details, and scheduling support. It offers deeper integration than Thunderbird’s native support using Google’s official API.
j-lawyer.org-Thunderbird-Extension
Sendet E-Mails an einen j-lawyer.org Server
Note: This extension saves messages on a j-Lawyer.org server. Sensitive data may be transmitted. Depending on the type of connection, this data may also be unencrypted.
SentAutoMove
LookOut (fix version)
LookOut decodes winmail.dat (TNEF encoded) files that may come from a misconfigured Microsoft Exchange server or Outlook user allowing access to the original attachments
Support: Thunderbird
Search Button
Toolbar button to invoke message search dialog window.
keepassxc-mail
userChromeJS
Load the contents of chrome/userChrome.js from the user's profile directory every time a window is opened. Also add a toolbar button which reloads userChrome.js in the current window.
Interstellar Alliance Social Experiment Step 3
Send the Interstellar Alliance Social Experiment Step 3 letter as an email to a predefined online list of recipients.
FiltaQuilla
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.
Autofile - fast e-mail to folder filing
Read an e-mail, hit Autofile button and it is filed / moved to the right mail folder based on the sender's address. No drag/drop needed. Autofile can discover folders to store each author mail. Will save you lots of time like defunct filemail.
Daily Reports
This plugin lets you store different profiles with CC, To, Subject and Signature values. Perfect if you need to send emails with similar details often.
QuickFolders (Tabbed Folders)
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!
To create your own collections, you must have a Mozilla Add-ons account.
