Add-ons
Message and News Reading
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Thunderbird Assist
[Closed Alpha Testing] Thunderbird assist provides a summary of new messages in your inbox.
This add-on is undergoing testing and not yet available to the general public.
Antispam
Create Calendar events from mail content
This plugin offers to create new events based on the email subject and content
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!
ObsidianClipper
ObsidianClipper is a Thunderbird extension to clip emails to the Obsidian notetaking application. Save an email to Obsidian seamlessly with one click. Customize the format of new note titles and note layout.
ThunderAI (ChatGPT or Ollama in your emails!)
ThunderAI uses the capabilities of ChatGPT or Ollama to enhance email management.
It enables users to analyse, write, correct, and optimize their emails.
BetterUnsubscribe
Adds a convenient button to the navigation bar, appearing whenever an unsubscribe option is detected in an email.
Rspamd-spamness
Mail Extractor
Mail Extractor for Thunderbird quickly extracts and copies email addresses from selected messages. It now also downloads attachments as ZIP files.
Owl for Exchange
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).
Birdbox
List Unsubscribe
Adds a button to unsubscribe from newsletters and other bulk email that has the List-Unsubscribe header.
Apply ROT13
Apply ROT13 to selected text in messages.
Select any text in the message body, right-click on the selection to open the context menu and select "Apply ROT13". Alternatively, you can use a configurable keyboard shortcut (Ctrl-Shift-D by default).
Quote Colors & Collapse
Configure text and background colors of quotes in mail and news messages. From up addon version 3 (Thunderbird 91) you can collapse quotes.
Allow HTML Temp
Allows to have HTML temporarily enabled (and displayed) in the currently selected message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (according to your settings).
Expression Search - NG
Powerful message search:
* Fuzzy search: Sylvia also finds Silvia
* Visual search query builder
* General search in a tab
* Type:
"fn:Vortrag" for messages, attachment name contains 'Vortrag'
"t:(oo -pp)" for messages to oo, but not pp.
Thunderbird Conversations
Featured
This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.
Dysclusif
Simplifier la lecture de mails en supprimant l'écriture inclusive
Inoreader Thunderbird Add-on
A simple add-on with a button in the Spaces toolbar.
Requires an account a inoreader.com
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.
To create your own collections, you must have a Mozilla Add-ons account.
