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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)
230 users

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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).

Rated 5 out of 5 stars (1)
14 users

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Khmer Spellchecker

Khmer (km-KH) spellchecker by Tim Boeun.

Rated 5 out of 5 stars (2)
8 users

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Uzbek spell checker

This is a spell checker for Uzbek language in Latin script.

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1 user

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Dictionnaire orthographique kikongo

Correcteur orthographique en kituba de RDC, kikongo ya leta

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1 user

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Simpler English Dictionary Requires Restart

A Simpler English Spellchecker.

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1 user

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Haitian Creole spell checker

Korektè Òtograf Kreyòl (KÒK) se yon korektè òtograf otomatik gratis nan lang Kreyòl Ayisyen ki develope avèk èd LOGIPAM ak Kevin Scannell
Korektè Òtograf Kreyòl (KÒK) is a free Haitian Creole Spell Checker developed by LOGIPAM and Kevin Scannell

Rated 5 out of 5 stars (1)
14 users

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FileLink Provider for Dropbox

Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.

Rated 4 out of 5 stars (22)
48,871 users

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Azerbaijani Spellchecker

Azerbaijani SpellChecker for Mozilla Firefox. Developed with love by Mozilla Azerbaijan.

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1 user

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Hide Email Folders

Hide Email Folders from the Folder pane (Left pane).
Note: This addon only works for Unified pane/folder mode.
Note #2: Please note that this addon only hide email folders and NOT local folders!
Special thanks to John Bieling, C-E and Alex Cabal.

Rated 4 out of 5 stars (11)
310 users

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PRATICHE MAIL

ARCHIVIA EMAILS ALLE PRATICHE

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34 users

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Darko

Simple dark mode (theme) for your Thunderbird messages.

FastAddons.com/#darko

Rated 5 out of 5 stars (32)
4,428 users

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Select Prev on Delete

Selection of the previous message (instead of next message - default behavior) when deleting (only for Thunderbird 115 or above).

If running Thunderbird between 78 and 114, use version 1.0.0

Rated 4 out of 5 stars (3)
37 users

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Toggle HTML

Adds a Toggle HTML button

Rated 4 out of 5 stars (8)
1,050 users

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Mail Merge P

Mail Merge P (Mail Merge with Preview) is a Thunderbird add-on to send bulk emails based on data provided in a spreadsheet. It uses the nunjucks templating engine.

Rated 3 out of 5 stars (16)
2,038 users

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Weatherlicious

A dynamic theme based on weather data from OpenWeatherMap.

Rated 4 out of 5 stars (9)
368 users

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OpenFolder

This add-on makes it easy to open folders on a file server.

In order to use the add-on, you need to install two things: the add-on and the linked app.
You can download the linked app from the following website.

https://openfolder.net/

Rated 3 out of 5 stars (2)
160 users

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Outlook Address Book Enabler

Enables the Outlook address book in Thunderbird.

Rated 4 out of 5 stars (1)
1,241 users

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Thematic

Quickly switch between your themes or back to the default.

Rated 1 out of 5 stars (1)
483 users

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MyPhoneExplorer

This Addon is needed to sync your Android based smartphone with Thunderbird with the Software "MyPhoneExplorer". You can get MyPhoneExplorer from: https://www.fjsoft.at

Rated 4 out of 5 stars (17)
9,559 users

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