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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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173 users

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Allday Tasks

Thunderbird lacks the ability to create and manage allday tasks. This add-on adds these capabilities.

Rated 5 out of 5 stars (2)
268 users

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DeepL-Write for selected text

Unofficial DeepL Write extension for Thunderbird.

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93 users

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addy.io - Easy Reach

An extension for Thunderbird that allows you to access addy.io.

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0 users

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Reply with Attachments

Automatically include attachments in email replies.
Skips SMIME certificates to avoid unnecessary attachments

Fügt automatisch Anhänge aus der ursprünglichen E-Mail hinzu.
Überspringt SMIME-Zertifikate, um unnötige Anhänge zu vermeiden.

Rated 5 out of 5 stars (1)
12 users

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F9 Hides the Folder Pane

Press F9, or your favourite shortcut, to toggle the visibility of the Folder Pane

Rated 5 out of 5 stars (1)
35 users

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Thunderbird Send

[IMPORTANT] This is a pre-release version Thunderbird Send. We will gradually open it for beta testing.
This add-on is built and maintained by your friends at Thunderbird.
Stay tuned to updates on thunderbird.net

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9 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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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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30 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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7 users

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Venetan

Venetan spellchecker for Firefox, Thunderbird, and SeaMonkey using the spelling of Mauro Trevisan.

To enable, right-click in a multi-line text box, select "Check Spelling", then select "Languages" and then "venetan".

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23 users

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Tagalog/Filipino Dictionary

A Tagalog/Filipino Dictionary (tl) for Pale Moon, Firefox, Thunderbird, and SeaMonkey.

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1 user

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Spanish (Mexico) Dictionary

Spanish (Mexico) spell checker dictionary

Rated 5 out of 5 stars (1)
8,193 users

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Profile Switcher

Adds options to launch other profiles.

Rated 4 out of 5 stars (21)
2,963 users

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DevTools Button

Adds a DevTools Button, opens the Developer Toolbox

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861 users

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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)
59 users

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Zeiler-Sutto Latin Dictionary

Novum dictionarium orthographicum ad usum cursus electronici. Centum et triginta milia sermones (ex opera Sallustis, Ciceronis, Cæsaris, Ovidi, Vergili, Catulli, Taciti, Senecæ, Nepotis) continet. Carolus Zeiler & Johannes Petrus Sutto præparaverunt.

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179 users

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Copy Address

Copy email address to clipboard.

Rated 4 out of 5 stars (12)
1,782 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)
792 users

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