Add-ons
Up & Coming Extensions
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Darko
Dark Reader
Dark mode for every email. Take care of your eyes, use dark theme for night and daily messaging.
Filter Manager
NestedQuote Remover
ImportExportTools NG
Adds tools to import/export messages and folders
Thunderbird v115 Support Available !
Blinking Alert
Requires Restart
Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.
LookOut
Requires Restart
LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Phoenity Buttons
FileLink provider for Send
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).
WhatsApp Web in Thunderbird
Message Header Toolbar Customize
You can change icon display and button order. You can also hide unnecessary buttons.
Compact Headers
Tag Toolbar / Tag Popup
Folder Account
Lets you associate user accounts and identities with specific folders. Great for multiple users who share TB, or for managing mailing lists.
ReminderFox
Requires Restart
ReminderFox displays and manages lists of reminders and tasks. ReminderFox uses easy-to-use lists with warnings/alarms to remind you of all your important appointments.
Synchronize ReminderFox with other calendars as well.
Search for
Context menu on message allowing quick filtering based on email/sender or domain
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.
Previous ColorsTo create your own collections, you must have a Mozilla Add-ons account.
