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Quick Spaces

Makes it possible to add custom addresses to the spaces toolbar

Rated 4 out of 5 stars (5)
63 users

quickfilter-kbd

A simple Thunderbird extension that adds keyboard shortcuts to quick-filter messages with the same sender, subject, or recipient as a selected message.

Rated 5 out of 5 stars (2)
67 users

List Unsubscribe

Adds a button to unsubscribe from newsletters and other bulk email that has the List-Unsubscribe header.

Rated 4 out of 5 stars (3)
190 users

Messenger - Quick Access

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

Rated 3 out of 5 stars (4)
224 users

OnMail - Quick Access

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

Not yet rated
4 users

Thunderbird Email 2 CSV Exporter

This add-on has been thoroughly tested on all platforms up to Thunderbird version 128.8. It allows you to target specific file folders and tag them for export, generating a CSV-formatted export file. Great for a large number of emails and Mailchimp.

Not yet rated
153 users

NTFNTF

NTFNTF: Notify on This Folder Not That Folder. Choose to enable or disable notifications on a per-folder basis.

Rated 4 out of 5 stars (9)
1,186 users

Date Time Formatter

Shows relative date-time in the column.
Note: you need to click "Select columns to display" and then -> "Relative Date/Time"

Rated 5 out of 5 stars (1)
97 users

Deselector

Adds a Deselect button to close messages.

Rated 4 out of 5 stars (1)
40 users

Junk Mail ByeBye

This extension identifies and protects you from spam emails, phishing emails, and other unwanted messages. It is primarily targeted towards filtering out spam in Japanese.

Rated 4 out of 5 stars (1)
335 users

Mailfence - Quick Access

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

Not yet rated
6 users

ElsHelp

Extension for ElSchool diary

Not yet rated
2 users

Ollama Summarizer

This add-on summarizes all new emails with a locally hosted LLM exposed via Ollama and sends the summary as a new message. The email address that the summary is sent to must be configured in the add-on settings. Ollama must also be installed locally.

Not yet rated
18 users

Microsoft Teams - Quick Access

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

Rated 2 out of 5 stars (1)
516 users

Apply ROT13

Apply ROT13 to selected text in messages.

Select any text in the message body, right-click on the selection to open the context menu and select "Apply ROT13". Alternatively, you can use a configurable keyboard shortcut (Ctrl-Shift-D by default).

Rated 5 out of 5 stars (1)
31 users

ReceivedHeaderInspector

ReceivedHeaderInspector vous aide à analyser les serveurs d'envoi et à vérifier les domaines pour prévenir l'usurpation d'identité dans vos e-mails, simplifiant l’identification des serveurs sans devoir parcourir le code source des messages.

Rated 5 out of 5 stars (2)
90 users

Create Calendar events from mail content

This plugin offers to create new events based on the email subject and content

Rated 2 out of 5 stars (1)
161 users

Google Mail Tab

Button to open Google Mail, supports multiple accounts. Useful if you need to configure mail settings, filters or forwarding in Gmail.

Rated 4 out of 5 stars (1)
74 users

Calculation Pad

This extension features a serverless single page application with spreadsheet and plain text pad functions from jQuery and jSpreadsheet for Thunderbird/Firefox/Sea Monkey. Plain text values and formats can be imported or exported to a local device.

Not yet rated
4 users

tbkeys-lite

Custom Thunderbird keybindings

This add-on is a follow on to Keyconfig which is no longer supported.

It is aimed at power users. Please look at the GitHub site before leaving a one star review about documentation or usability.

Rated 5 out of 5 stars (63)
4,489 users