Image Border Editor

Easily add custom borders to images in your emails.
Upon installation, predefined borders are available. You can delete, add, or modify styles.

Email Expiration Manager

Automatically manage emails with expiration dates. Delete or move expired emails to reduce storage and environmental impact. Part of the Zero Carbon Email initiative.

Hi Name Auto

Automatically inserts a friendly “Hi <FirstName>,” when replying and sending, saving time and avoiding the embarrassment of getting someone’s name wrong.

Such a time saver. This will become a standard.
How did you ever live without it.

Dolibarr connector

Extension Thunderbird pour intégrer Dolibarr

Havoc Startup Minimizer

Minimizes the main Thunderbird window immediately after startup.

Trello - Quick Access

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

ChatGPT Addon

Integrates ChatGPT with Thunderbird for quick and easy access to its conversational AI capabilities.

iCanban - Kanban with ICAL

Undo Button

Adds an Undo button to Thunderbird compose toolbar

Redo Button

Adds a Redo button to Thunderbird compose toolbar

AutoReplace

This AddOn offers a function of autocorrection / auto text replacement. You can save a shortcut and a replacement and it will replaced automaticly if you type your new eMail text.

Account Check

Checks account settings against those listed in the Thunderbird autoconfig database and offers to fix settings that don't match. This is the same check performed when setting up an account.

PrettyBlockquote

The add-on ensures that the quoted text in your reply is clearly highlighted with a vertical blue line, even when viewed by recipients using different email clients like Gmail or macOS, by using inline CSS on the blockquote HTML tag.

addy.io / AnonAddy for Thunderbird

Adds a button to the message composition window which updates recipient addresses to route the outbound message through addy.io or a self-hosted AnonAddy server, so your real, private email address isn't exposed to recipients.

eMail Address Finder

This finds all email addresses in Body, From, & CC fields.

It will then put them all into a single menu.

You can click on the menu & copy the address.

For those wrangling email addresses all day, it's a massive time saver.

TriliumClipper

A Thunderbird extension to clip messages and send them to the TriliumNext note taking application.

Spellchecker Ladin (Val Badia)

Spell-checking dictionary for Ladin (Val Badia).

CrossBorderScam-Canceler

This add-on (CrossBorderScam-Canceler) filters fraudulent emails by focusing on the location of the received email and analyzing the header information of the opponent's email and the links in the email body.(view in English, Japanese or German)

OpenDetachedAttachments

Allows opening of detached attachments if they have been moved

Email Assistant

This Extension provides a framework for AI-powered email analysis. It processes incoming emails, sends them to a language model of your choice, and applies tags. This allows for sophisticated email classification and sorting.