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Redo Button

Adds a Redo button to Thunderbird compose toolbar

Rated 5 out of 5 stars (1)
65 users

Undo Button

Adds an Undo button to Thunderbird compose toolbar

Rated 5 out of 5 stars (1)
110 users

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.

Not yet rated
19 users

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.

Not yet rated
525 users

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.

Rated 5 out of 5 stars (1)
14 users

Tamizha Spellchecker Requires Restart

Tamil spell checker derived from the OpenOffice spell­­­­checker created by Tamizha Team

Not yet rated
2 users

Uyghur Spelling Dictionary (ئۇيغۇرچە ئىملا لۇغەت)

Uyghurche Imla Lughet ئۇيغۇرچە ئىملا لۇغەت
Enables spell checking in any text field for Uyghur Arabic Alphabet.

Not yet rated
1 user

ansitel Click-to-Dial

This plugin will call a selected number by clicking the right mouse button.

Rated 5 out of 5 stars (1)
82 users

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (34)
7,430 users

Just Report It

Just Report It (https://justreport.it) is an email plugin which tackles spam the right way. Report emails straight to SpamCop, the Registrar, a custom email address or any combination in between!

Rated 5 out of 5 stars (14)
782 users

Open in browser

A context menu item to open the links associated with feed items in the default browser and then mark them as read.

Rated 5 out of 5 stars (1)
298 users

Config Button

Adds a Config button, opens about:config in a tab.

Rated 5 out of 5 stars (3)
1,289 users

Export to ZIP

Export your mails and folders to a zip file!

Rated 3 out of 5 stars (12)
1,839 users

Search for

Context menu on message allowing quick filtering based on email/sender or domain

Rated 5 out of 5 stars (7)
1,269 users

Antidote connector

Use Antidote directly where you are writing! Run a text through the corrector and the changes you make will automatically be applied to the original text in Thunderbird. (You must have access to Antidote.)

Not yet rated
234 users

Zulip - Quick Access

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

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4 users

Mark Subfolders Read

Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.

Rated 2 out of 5 stars (1)
51 users

Aify

Rewrite or generate text based on promps using OpenAI's API.

Configure on settings page (make sure to save) and start to use when writing your emails!

You must have a payment method on record with OpenAI and an API key. OpenAI charge for use.

Rated 5 out of 5 stars (10)
349 users

sms77

Send SMS via sms77

Not yet rated
74 users

Send then Archive

Automates the process of archiving a message that has been replied to.

Rated 2 out of 5 stars (5)
25 users