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Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 4 out of 5 stars (69)
10,928 users

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Google Chat Tab

Open Google Chat in a Thunderbird Tab

Rated 4 out of 5 stars (9)
1,474 users

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Close Search Tabs

Add a button to close all search results tabs in Thunderbird

Rated 1 out of 5 stars (1)
47 users

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wikipediasearchwebapp

Adds browser action icon to toolbar to open Wikipedia-Search. See http://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/05/wikipedia-suche-button/

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10 users

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Mark Button

Toolbar button to mark a message as read or unread with 1 click.

Rated 5 out of 5 stars (4)
161 users

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AI Mail Support

Add-on designed to enhance email management for both personal and professional use, integrating a set of adanced AI (LLM) features to optimize the email management experience.

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26 users

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DeepL-Write for selected text

Unofficial DeepL Write extension for Thunderbird.

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8 users

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Chichewa Spell Check

This is a real time Chichewa Spell Checker (Malawi) supported on Firefox, Thunderbird, and Seamonkey.

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5 users

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Dictionary of Spanish / Nicaragua

Dictionary of Terms of Nicaragua, Spanish dictionary based internaconal, adding support on behalf of cities and fruits, animals, plants, references, local echos and terms accepted by RAE.

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26 users

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Latgalīšu volūdys pareizraksteibys vuordineica

Biblioteka latgalīšu volūdys pareizraksteiys puorbaudei Firefox, Thunderbird, Seamonkey, Fennec

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1 user

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Tibetan Spellchecker

Tibetan (bo) spellchecker at syllable level (not composed words).

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1 user

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Profile Switcher

Adds options to launch other profiles.

Rated 4 out of 5 stars (20)
2,705 users

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Expand mailing lists

Adds an 'expand lists' button to the compose window. It replaces all mailing lists with their contacts.

Rated 5 out of 5 stars (2)
710 users

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Add to Mailing list

Add the current email (sender) to an existing mailing list.

Rated 2 out of 5 stars (4)
502 users

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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.

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144 users

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ThirdStats

Beautifully visualized statistics for your Thunderbird Email Accounts

Rated 5 out of 5 stars (28)
3,714 users

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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.

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5 users

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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)
231 users

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YouTube RSS feed redesign

Adds YouTube thumbnails to RSS feed entries

Rated 5 out of 5 stars (1)
67 users

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SpoofDetection

Diese Erweiterung überprüft ungelesene E-Mails auf Spoofingversuche. Die E-Mails werden mithilfe von fünf unterschiedlichen Tests untersucht um deren Legitimität festzustellen. Die Tests werden einzeln erklärt auf der Einstellungsseite.

Rated 4 out of 5 stars (1)
91 users

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