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Ungender

Eine Thunderbird-Erweiterung, welches Binnen-Is und Ähnliches von Webseiten entfernt. Es basiert auf der bekannten Firefox Erweiterung Binnen-I be gone.

Rated 4 out of 5 stars (5)
216 users

Jitsi Meet event generator

Event and link generator for Jitsi Meet service.

Rated 4 out of 5 stars (6)
327 users

New Bing Anywhere

New Bing isn't just for Edge anymore. Anywhere you want

Rated 2 out of 5 stars (2)
18 users

CustomCSS

Allow the user to configure custom CSS that will be added to messages when edited
(new, reply and forward). The custom CSS will be added to a newly created <style>
element in the email's head.

Rated 5 out of 5 stars (4)
214 users

Joplin Export

Export your emails from Thunderbird to Joplin. To use the add-on, a running Joplin application is required (https://joplinapp.org).

Please note that this is not an official product of the Joplin team, but rather developed by a private person.

Rated 5 out of 5 stars (12)
468 users

Copy Timestamp

Copy the timestamp and/or email addresses of the sender, recipient, etc. to the clipboard in various formats.

Not yet rated
57 users

Simple Mail Redirection

Allows you to resend (also known as redirect) email messages.
Uses 'cardbook' if installed

Bases on the add-on 'Mail Redirect' by Onno Ekker and Pawel Krzesniak

Please see the support page on how to use and why it sometimes does not work!

Rated 5 out of 5 stars (38)
9,371 users

@Contact Mention

This add-on mimics the mentions behavior on Outlook when mentioning a contact with the '@' sign. The contact selected is added as a link in the email body as well as to the recipent list of the email.

Rated 4 out of 5 stars (10)
1,397 users

Render Markdown Messages

This extension renders markdown-formatted messages as rich text. It preserves the fonts and formatting of plain text messages but adds support for markdown features like lists, code blocks, etc.

Not yet rated
128 users

AI Anywhere for ChatGPT

Press "Alt + i" or use context menu to quickly access:
- ChatGPT (OpenAI)
- GitHub Copilot (Microsoft)
- Claude (Anthropic)
- Gemini (Google)
- Grok (X)

Rated 5 out of 5 stars (14)
4,271 users

Grammar, Proofreading & Spell Checker

Check the grammar and spelling directly inside Thunderbird using Wordeep technology

Rated 4 out of 5 stars (4)
705 users

Move Folder (context-menu)

Adds the "Move to" menu entry to the folders panel context menu, allowing to move a Local folder (and its content) to another.
This feature is similar to the native one within message(s) context menu ("Move To"), but it applies to the folder tree.

Rated 3 out of 5 stars (2)
511 users

PowerFolder

Power Folder add-ons tool is used for large attachment in Mozilla Thunderbird extension.

Rated 4 out of 5 stars (2)
50 users

Estimez votre CO₂

Estimez votre CO₂ quand vous rédigez un courriel en un simple clic ! Pendant sa rédaction, cliquez sur l'extension afin de connaître l'émission de CO₂e générée par l'ensemble du cycle de vie. Vous aurez aussi accès à différentes équivalences utiles.

Not yet rated
71 users

onedrivewebapp

Adds browser action icon to toolbar to open OneDribe. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-onedrive-button/

Rated 4 out of 5 stars (1)
90 users

Filter on Folder Button

act. version 1.6.1 for Tb >= 128.x

Toolbar menu button with filter functions.
- run filter on folder
- run filter on message
- show filter dlg
- create filter from message

with hotkeys, theme support, languages de, en, fr, es, it

Rated 4 out of 5 stars (26)
1,342 users

Move Mail Shortcuts

Allows assigning keyboard shortcuts for moving mails to folders and jumping to the folders.

Rated 4 out of 5 stars (12)
609 users

Mark Read on Tab Open

Mark messages as read when you open them in tabs.

Not yet rated
41 users

Discord - Quick Access

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

Rated 5 out of 5 stars (1)
153 users

Proton Mail - Quick Access

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

Rated 4 out of 5 stars (2)
224 users