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Simpler English Dictionary Requires Restart

A Simpler English Spellchecker.

Not yet rated
1 user

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)
15 users

Provider for CalDAV & CardDAV

This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.

Rated 5 out of 5 stars (56)
20,903 users

Azerbaijani Spellchecker

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

Not yet rated
2 users

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)
46,904 users

Darko

Simple dark mode (theme) for your Thunderbird messages.

FastAddons.com/#darko

Rated 5 out of 5 stars (33)
5,770 users

Get All Senders

This add-on retrieves all the senders associated with the emails in this mailbox and stores them in your clipboard.
For more information and to report an issue, please visit the project home page at https://github.com/CicadaCinema/get-all-senders .

Rated 4 out of 5 stars (5)
285 users

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)
129 users

Deselect on Delete TB78

Disables selection of the next message when deleting.

A quick port of squib's "Deselect on Delete" for thundebird 78.

Rated 4 out of 5 stars (18)
475 users

Thematic

Quickly switch between your themes or back to the default.

Rated 3 out of 5 stars (2)
494 users

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)
1,945 users

Weatherlicious

A dynamic theme based on weather data from OpenWeatherMap.

Rated 4 out of 5 stars (9)
340 users

Mark All Read:WE

Mark all read (Web extension) - Adds a toolbar button to mark all unread messages in current folder as read.

*Note*
Version 2: Requires Thunderbird v128+
Version 1: Works best with Thunderbird v91+

Rated 3 out of 5 stars (19)
959 users

Auto-Mark Folder Read

New messages can be automatically marked as read in common folders (e.g. spam, trash, drafts, templates).

For TB up to 121, please use the most recent v1.5.* add-on release.

For TB as of 122, just use the latest add-on version (1.6 or higher).

Rated 4 out of 5 stars (11)
653 users

InfoCodex DocSummarizer

Intelligent document and mail summarization tool based on the artificial intelligence of InfoCodex. Create better summaries chapter-by-chapter and tag them in your preferred language.

Rated 1 out of 5 stars (1)
9 users

GetMyInvoices

Save your attached PDF invoices or archive and store complete invoice e-mails directly to your GetMyInvoices account from Thunderbird

Not yet rated
14 users

UnInbox - Quick Access

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

Not yet rated
7 users

CollectAddresses

Collect all sender/recipient/... addresses and store in an addressbook

Rated 4 out of 5 stars (4)
709 users

Two Dynamic Birds

An extension of the "Two Little Birds" and "Dracula" themes that includes a toggle button to turn on dark mode.

The position of the light/dark toggle button can be customised to avoid it covering the cute birds!

Not yet rated
161 users

BestReply

BestReply is an add-on that aims to improve users’ experience by providing quick services to the user such as summarization of emails, response generations, as well as a smart chat with our AI model based on the email they are reading.

Rated 3 out of 5 stars (1)
15 users