Search

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)
233 users

Download Now

DeepL-Write for selected text

Unofficial DeepL Write extension for Thunderbird.

Not yet rated
79 users

Download Now

addy.io - Easy Reach

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

Not yet rated
1 user

Download Now

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)
28 users

Download Now

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)
8 users

Download Now

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

Not yet rated
6 users

Download Now

Chichewa Spell Check

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

Not yet rated
6 users

Download Now

Tibetan Spellchecker

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

Not yet rated
1 user

Download Now

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.

Not yet rated
28 users

Download Now

Latgalīšu volūdys pareizraksteibys vuordineica

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

Not yet rated
1 user

Download Now

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".

Not yet rated
19 users

Download Now

Tagalog/Filipino Dictionary

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

Not yet rated
1 user

Download Now

Spanish (Mexico) Dictionary

Spanish (Mexico) spell checker dictionary

Rated 5 out of 5 stars (1)
6,997 users

Download Now

Profile Switcher

Adds options to launch other profiles.

Rated 4 out of 5 stars (21)
2,792 users

Download Now

Unsubscribe

Lightweight solution to simplify unsubscribing from newsletters

Rated 3 out of 5 stars (16)
1,815 users

Download Now

Copy Address

Copy email address to clipboard.

Rated 4 out of 5 stars (12)
1,683 users

Download Now

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)
57 users

Download Now

Add to Mailing list

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

Rated 2 out of 5 stars (4)
495 users

Download Now

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)
736 users

Download Now

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)
756 users

Download Now