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Auto Mark As Read

Automatically mark incoming messages as read if they are in one of selected folders.
An attempt to revive & enhance 'Mark Junk Read' by Alex Cabal

Rated 5 out of 5 stars (3)
266 users

Mark Read on Reply

Mark messages as read when you reply to them.

Rated 5 out of 5 stars (2)
152 users

UrgentMail

Raise X11 urgent flag if new mail is received.

This addon listens for incoming mails and causes the Thunderbird window to draw attention.

Rated 5 out of 5 stars (3)
261 users

RedThunderMineBird Plus

Provides ability to create issues on Redmine from the context menu or the button in the message header area.

Rated 5 out of 5 stars (2)
178 users

Thunderbird OpenProject

Extension to add tasks to OpenProject

Rated 3 out of 5 stars (3)
93 users

Audio Preview

Adds a preview for audio files (wav, ..) to the message view, so it can be played directly.

Not yet rated
121 users

YouTube Video Downloader

The Complete Guide to YouTube Video Downloader Converter Tool and How They Can Help You Easily Download and Convert Videos from YouTube.

Rated 5 out of 5 stars (1)
75 users

Empty Folder

Adds a keyboard action (Ctrl+Del) and a folder context menu to delete all messages in a folder. Has a confirmation dialog to prevent accidental deletions

Rated 5 out of 5 stars (1)
108 users

Simple Template

You will be able to create and automatically insert templates for each account.

Rated 4 out of 5 stars (1)
318 users

List Unsubscribe

Adds a button to unsubscribe from newsletters and other bulk email that has the List-Unsubscribe header.

Rated 4 out of 5 stars (3)
175 users

quickfilter-kbd

A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.

Rated 5 out of 5 stars (2)
62 users

Messenger - Quick Access

Quick Access to Facebook Messenger in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 3 out of 5 stars (4)
219 users

Unsubscribe

Lightweight solution to simplify unsubscribing from newsletters

Rated 3 out of 5 stars (16)
1,724 users

KeepRunning

Once you close Thunderbird you will no longer be able to see your new emails. This plugin keeps Thunderbird active in the background, meaning you can still receive your new emails after closing the app. Use this when the app is in the startup.

Rated 4 out of 5 stars (7)
1,604 users

YouTube RSS feed redesign

Adds YouTube thumbnails to RSS feed entries

Rated 5 out of 5 stars (1)
82 users

Quick Spaces

Makes it possible to add custom addresses to the spaces toolbar

Rated 4 out of 5 stars (4)
58 users

SPAM Check for OCN

- SPAM Header Checker for OCN(Japanese Internet Provider)
- This plugin looks at the header of the mail and assigns a "junk mail" mark.
- Only if the header (X-CON-SPAM-CHECK) of the mail is set to 100%, it will be marked as "spam".

Rated 1 out of 5 stars (1)
56 users

NTFNTF

NTFNTF: Notify on This Folder Not That Folder. Choose to enable or disable notifications on a per-folder basis.

Rated 4 out of 5 stars (6)
1,051 users

Thunderbird Email 2 CSV Exporter

This add-on has been thoroughly tested on all platforms up to Thunderbird version 115. It allows you to target specific file folders and tag them for export, generating a CSV-formatted export file. Great for a large number of emails and Mailchimp.

Not yet rated
142 users

OnMail - Quick Access

Quick Access to OnMail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
5 users