Search

Config Button

Adds a Config button, opens about:config in a tab.

Rated 5 out of 5 stars (3)
1,289 users

Download Now

Archive old messages

A context menu item to archive all messages than older than a given duration.

Not yet rated
389 users

Download Now

Export to ZIP

Export your mails and folders to a zip file!

Rated 3 out of 5 stars (12)
1,839 users

Download Now

FileLink for Plik

Plik no longer offers uploads without an account. So the add-in currently only works for self-hosted instances of the software. Currently I cannot promise a date for a fix. Sorry.

Rated 5 out of 5 stars (4)
3,269 users

Download Now

Zulip - Quick Access

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

Not yet rated
4 users

Download Now

Mark Subfolders Read

Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.

Rated 2 out of 5 stars (1)
51 users

Download Now

Webpage Opener

Adds a button to the toolbar to open a user defined webpage.

Rated 5 out of 5 stars (1)
31 users

Download Now

Balochi Spellchecker for UniBal Script

This add-on is a Balochi spellchecker based on the UniBal Balochi script.

This is a pre-beta version as the dictionary has 1000+ words and not all Balochi Affix rules are implemented.

Please use it and give your feedback

Rated 3 out of 5 stars (1)
1 user

Download Now

Tatar spellchecker dictionary

Tatar dictionary for spell-checking in Firefox and Thunderbird.

Орфографический словарь Firefox и Thunderbird для проверки правописания татарского языка.

Not yet rated
1 user

Download Now

Lower Sorbian dictionary

Spellchecking dictionary for Lower Sorbian language.

Not yet rated
6 users

Download Now

Kiswahili Spell Checker

Kiswahili Spell Checker

Not yet rated
46 users

Download Now

Babyish spellchecker

Babyish Spellcheck dictionary

Not yet rated
3 users

Download Now

FileLink Provider for Box

Uploads your large attachments to your Box instead of sending them by email.

Rated 3 out of 5 stars (12)
12,147 users

Download Now

HOTEL MAIL

ARCHIVIA EMAILS ALLE PRATICHE

Not yet rated
0 users

Download Now

Open Tab

Link open in new tab.

Rated 5 out of 5 stars (6)
523 users

Download Now

Toggle Inline

Adds a Toggle Inline button

Rated 5 out of 5 stars (1)
108 users

Download Now

TUD-CERT Phishing Report

Adds a phishing report button to the toolbar to enable members of Technische Universität Dresden to report suspicious e-mails to TUD-CERT with just a few clicks. If desired, an optional comment can be entered upon each report.

Rated 1 out of 5 stars (1)
144 users

Download Now

Contact Finder

Autocomplete a list of contacts when sending a message by searching their name in the address book.

Not yet rated
344 users

Download Now

skypewebapp

Adds browser action icon to toolbar to open Skype. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/skype/

Rated 2 out of 5 stars (1)
66 users

Download Now

enUS deDE bilingual dictionary

This is a bilingual dictionary for American English and German Standard German.
It is meant for users who regularly write in German and English.
With it, you will not need to manually switch between dictionaries for the two languages.

Rated 5 out of 5 stars (1)
18,997 users

Download Now