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✨ Awesome Emoji Picker ✨

Modern, nice emoji picker that you can use to find and select emojis. It will be copied to your clipboard or even directly inserted into the e-mail, when you click on it.

You will certainly like it.

Rated 5 out of 5 stars (10)
5,605 users

TaskviewStyles

Change taskview styles.
Use justify button to read long sentences.
Executed well.

If coupling with TaskDescriptions, it is good enough!

To Hyun-geol who I like.

Not yet rated
14 users

cb_thunderlink

cb_thunderlink is a thunderlink replacement.
Clickable, durable links to specific messages inside Thunderbird.

Rated 5 out of 5 stars (8)
167 users

AutoBucket

This is an extension function that classifies emails into multiple buckets using AI(the Bayesian filter) and tags them.

Rated 3 out of 5 stars (14)
135 users

Simple Startup Minimizer

This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.

Rated 4 out of 5 stars (31)
7,623 users

Smileyfixer

Fixes smileys that show in emails created by Outlook as J.

Rated 5 out of 5 stars (4)
958 users

White Screen

Use white screen test to detect dead pixels, stuck pixels, and other display defects.

Not yet rated
12 users

Black Screen

Use black screen test to detect dead pixels, stuck pixels, and other display defects.

Not yet rated
27 users

Zivver for Thunderbird

This extension automatically detects Zivver messages and decrypts them on-the-fly using the Zivver API. Messages are decrypted only when actively displayed by the user and are never stored locally.

Not yet rated
10 users

Next Unread Group (Mark All Read)

Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message

Rated 5 out of 5 stars (3)
134 users

ThunderbirdCR (Dictionary) Requires Restart

Context Reverso for Thunderbird.
A translator/dictionary available to English, Spanish, French, German, Italian, Portuguese Dutch, Polish, Romanian, Arabic, Chinese, Japanese, Hebrew, Russian, Turkish.

Hotkey: Search selected texts (Shift+F1)

Not yet rated
50 users

ProtonMail Encryption Status

When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.

Rated 5 out of 5 stars (6)
693 users

Toggle Line Wrap

Toggle wrapping of long lines in the message composition window when writing plaintext messages. Wrapping can be controlled via a toolbar button and a keyboard shortcut.

Rated 4 out of 5 stars (13)
911 users

EagleCloud Extension

Works along with EagleCloud Information Security product to secure sensitive information based on company policy.

Not yet rated
3 users

Add contact to CC by mentioning in body with @

Use @ to mention somebody on an email to link and add to the CC.

Rated 2 out of 5 stars (5)
348 users

EnhancedReplyHeaders

Customizable headers for Thunderbird

Rated 4 out of 5 stars (6)
206 users

Mark GMail Read

Automatically marks all messages in [Gmail] folder as read.

Rated 5 out of 5 stars (1)
119 users

WhatsApp - Thunderbird

Adds browser action icon to toolbar to open WhatsApp.

Rated 1 out of 5 stars (1)
216 users

URL Link

URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.

Rated 4 out of 5 stars (6)
2,176 users

Malay (ms) Language Pack

Malay (ms) Language Pack

Not yet rated
14,183 users