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HTML Source Editor

Allows to edit the source of the currently composed message. A simple alternative to ThunderHTMLedit.

Rated 5 out of 5 stars (13)
4,908 users

Dropbox Paper

How Does It Work?
Once you install the add-on, a new icon will appear in the Thunderbird toolbar. Simply click on the icon, and it will open the Dropbox Paper tab.

Will the Dropbox Paper Add-on Collect My Data?
Never.

Not yet rated
42 users

To must occur only once

This add-on changes all but the first "to" to "cc" if there are multiple "to" when replying to an email.

Rated 5 out of 5 stars (1)
25 users

Seams

Seams provides some integration with Patchwork, the patch tracking system. It makes the patch state visible directly from Thunderbird. It also displays useful links to a Patchwork instance or to mail archives, and commands to apply the patch locally.

Rated 5 out of 5 stars (2)
28 users

Hawk (Like ChatGPT in your emails)

Hawk for Thunderbird is an AI-powered plugin designed to generate clear and personalized emails, translate content, fix grammar errors, and streamline your email communication workflow.

Rated 5 out of 5 stars (2)
289 users

Diola-Fogny spell checker Requires Restart

Diola-Fogny spell checker that recognizes about 19000 of the most common words.

Not yet rated
1 user

Diola-Kasa spell checker Requires Restart

Diola-Kasa spell checker that recognizes more than 16,000 common words.

Not yet rated
1 user

Oromo spellcheck Requires Restart

Oromo spell checker

Not yet rated
1 user

Mari spellchecker dictionary

Mari dictionary for spell-checking in Firefox and Thunderbird. «Орфографический словарь марийского языка»

Not yet rated
1 user

Simple English Dictionary Requires Restart

A Simple English spellchecker for the simple.wikipedia.org

Not yet rated
0 users

Uyghur Spelling Dictionary (Uyghurche Imla Lughet)

Uyghurche Imla Lughet
Enables spell checking in any text field for Uyghur Latin Alphabet

Not yet rated
1 user

Hawaiian spell checker

An addon for spell checking Hawaiian language text.

Rated 1 out of 5 stars (1)
16 users

wordlist.sourceforge en-US Hunspell Dictionary

wordlist.sourceforge en-US spell-checker 7.1_0 by kevina packed as Mozilla dictionary.

Not yet rated
21 users

Russian-Uzbek dict

Spelling of Russian and Uzbek words. Рус ва Ўзбекча луғатлар имло.

Rated 5 out of 5 stars (1)
1 user

Amawal n Teqbaylit

Asiɣzef-agi yegber amawal Aqbayli akked useɣti n tira s Teqbaylit. Wid yebɣan ad ttekkin deg tneflit n uzegrir-agi, zemren ad d-aznen awalen yuran akken iwata ar belkacem@77@gmail.com. Zemren daɣen ad d-seddun ismawen akked yimaylen-nsen

Rated 5 out of 5 stars (3)
3 users

New Email To All:reply, ready for new subject/body

Do you often send emails to the same list of people? Do you press reply and then clear off subject/email body?

No longer. Open a new compose window with all recipients/cc/bcc in a clean state. You can start with a new subject line and email body.

Rated 3 out of 5 stars (9)
332 users

Open Google Calendar

Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)

Rated 4 out of 5 stars (79)
23,540 users

stripImages

Remove all images from message with one click.
Places a "strip images" button on the toolbar of the message compose window.
Clicking the button will remove all images from the message.
This helps keep mailbox disk space down.

Rated 4 out of 5 stars (11)
248 users

PopMailListRecipients 2

Expands address book lists to recipients addresses in the compose window

Rated 4 out of 5 stars (5)
872 users

quicker quicksearch

make searching for emails faster:

Automatically insert into the quickfilter box: the author, subject or the email domain of the selected email.


No need to retype the address, if you want to search for all emails of this author.

Rated 4 out of 5 stars (8)
1,243 users