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PGPGeek

Quick & easy PGP encryption / decryption tool
* Save & use many public encryption keys to encrypt mail content
* Save & use many private decryption keys to decrypt mail content

Using openPGP.js

Open Source
https://github.com/pgpgeek/pgpgeek

Not yet rated
350 users

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 3 out of 5 stars (2)
167 users

AttachmentCount

Adds a column to the Thunderbird message list to always display the true attachment count. An icon is shown for single attachments or all attachments deleted/detached. Tooltip preview of single attachment content and summary for multiple attachments.

Rated 5 out of 5 stars (3)
30 users

Toggle Inline

Adds a Toggle Inline button

Rated 5 out of 5 stars (1)
111 users

Safelinks Offr

If Advanced Outlook.com security for Microsoft 365 subscribers is turned on, many links are changed to be in the form of https://eur01.safelinks.protection.outlook.com/?url=https.... instead of the original link.

This add-on undos that process.

Not yet rated
18 users

Seafile Filelink

A FileLink provider

With it you can store attachments on a seafile share

Rated 4 out of 5 stars (3)
154 users

Sender Domain

Adds optional columns to the messages pane.
Example : "abc@example.com"
* domain column -- "example.com"
* reverse domain column -- "com.example"
Bulk organize your messages by domain (eg. remove spam, back up, separate in folders)

Rated 5 out of 5 stars (10)
788 users

DontRestoreTabsRevival

This is a remake of the DontRestoreTabs extension. It is compatible with Thunderbird 88+. The code is based on the tabControl extension.

Rated 5 out of 5 stars (3)
1 user

MessagePreview

MessagePreview adds a column to the Thunderbird message list to display the message preview in a tooltip on column row icon mouse hover or a short preview in the column row itself.

Rated 5 out of 5 stars (6)
36 users

Folder Colors Requires Restart

A fork of "Color Folders" (aka "Colored Folders") to support TB 68+. Applies custom colors to the folder tree in Thunderbird.

This add-on is superseded in TB78 by the built-in folder-color changer (in folder > Properties).

Rated 5 out of 5 stars (1)
56 users

skypewebapp

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

Rated 3 out of 5 stars (2)
52 users

Open Google Tasks (default)

Adds an icon on the spaces toolbar to quickly open the default Google Tasks page

Rated 5 out of 5 stars (1)
84 users

Custom Headers View

Display custom email headers in the mail header toolbar. This extension allows you to make visible specific headers in the toolbar, like received, date, DuckDuckGo's duck-original- headers to show the sender's email in the original format, etc.

Not yet rated
18 users

Spellchecker Ladin (Gherdëina)

Spell-checking dictionary for Ladin (Gherdëina).

Not yet rated
1 user

AI Grammar

Helps you write emails with the Llama3 LLM (offline). Corrects grammar mistakes in your draft email.

Rated 5 out of 5 stars (1)
276 users

SCMenu

Supplementary compose menus to reply to a message by including its original attachments and to create a new email to the recipients of an existing message.

Not yet rated
50 users

CalendarSearchExport

Exports the results of a search in calendars

Rated 5 out of 5 stars (1)
337 users

Message Links 4 events

Allows to use links to messages in the description field of events and task

Not yet rated
58 users

XRechnung-Viewer

Zeigt eine Zusammenfassung von XRechnungen / ZUGFeRD-Rechnungen der ausgewählten E-Mail (Attachments) an. Außerdem stellt es einen Bezahlcode (QR-Code) dar, der mit entsprechender App eine Überweisung mit den Daten aus der Rechnung auslöst.

Rated 5 out of 5 stars (2)
121 users

S3 FileLink Provider

Uploads your large attachments to S3

Rated 1 out of 5 stars (1)
803 users