Add-ons
Message and News Reading
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Tag Sync for TB
Syncronise/transfer tags, to other TB installations.
POP and some IMAP servers don't store tags (keywords).
This addon helps to have the same emails tagged on all TB installations.
Uses a central database, can be installed on your PC or server.
BetterUnsubscribe
Adds a convenient button to the navigation bar, appearing whenever an unsubscribe option is detected in an email.
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).
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.
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.
List Unsubscribe
Adds a button to unsubscribe from newsletters and other bulk email that has the List-Unsubscribe header.
Birdbox
ThreadVis
Displays a small graphic visualising the context (thread) of the currently selected email.
NTFNTF
NTFNTF: Notify on This Folder Not That Folder. Choose to enable or disable notifications on a per-folder basis.
Darko
Simple dark mode (theme) for your Thunderbird messages.
FastAddons.com/#darko
AlertSwitch
Simply turn on or turn off the alerts shown & sounds played when new message arrives.
Toggle Headers
Allows to switch between the normal header view and viewing all headers when viewing a message by using a keyboard shortcut (Ctrl+H).
QNote
Add notes to your e-mails. Drop-in replacement for XNote++ with more features.
Pushover Notifier
Send a Pushover notification when a new email arrives.
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!
Mark Subfolders Read
Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.
Quick Folder Move
When filing messages, a search box will show up allowing you to quickly enter the folder name you want to move to.
If no search term is entered, a list of recent folders will show up instead.
Quick Filter By
A simple extension that sets the Quick Filter based on the selected message fields. You can filter by either selecting "Quick Filter By" in the message list context menu or simply by alt-clicking on the message's sender, recipient or subject text.
Filter Button
Allows to add a button to the message header view toolbar that shows all filters that match the selected message, including manual and disabled filters. A click on the button allows to select a filter to run.
To create your own collections, you must have a Mozilla Add-ons account.
