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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)
249 users

PopMailListRecipients 2

Expands address book lists to recipients addresses in the compose window

Rated 4 out of 5 stars (5)
883 users

FindTasksButton

1) Add Find Task button.
2) Add tasks filter menu list.
3) Add the menu list filtering tasks by priority.
4) Make sure of task tree array length and n-th record.

Hi, Mom.
I pray for my and your mother's good health.

From a middle-age son.

Rated 1 out of 5 stars (1)
0 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)
1,255 users

British-English Dictionary (GB)

A strict British-English spell checker dictionary for Firefox, Thunderbird and SeaMonkey. This dictionary only includes words conforming to the preferred standard of British-English spelling.

Rated 5 out of 5 stars (2)
29,478 users

GCalTab

GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.

Rated 5 out of 5 stars (12)
1,824 users

ResizeTbWidth

Resize Thunderbird window width.
Set window with three widths (1/1 (1920px), 1/2 (960px), 1/3 (640px)).

July 3rd 2021.

I love God.

Sungho.

Not yet rated
66 users

Click Speed Tester

Test your click speed and practice different clicking techniques.

Not yet rated
3 users

External Editor Revived

Edit emails in external editors such as Vim, Neovim, Emacs, etc.

Rated 5 out of 5 stars (8)
374 users

thundersort

Sort incoming mails into account folders based on the local part (based on regex)

Rated 5 out of 5 stars (1)
278 users

Text Insert: Templates/Instant Spell Check

Email composer:

*Upper case the first letter of nouns, names, or words at sentence start
*Android(TM) like spellcheck/suggest alternatives (DE, EN, ES, FR,NL)
*Insert styled text, images, tables with shortcuts
*Define shortcut-replacements.

Rated 3 out of 5 stars (7)
268 users

LeftTodaySubpaneOrLogoOrClock

Append today subpane to left top or append logo or clock to left bottm.

send a gift to a friend Eunjo.

Updated as of 2021-03-31.
Updated as of 2021-08-04 for Thunderbird version 90s.

Not yet rated
3 users

Monterail Full Dark 2 for TB>68

Monterail Full Dark, a Thunderbird theme inspired by the mockup of Monterail

Rated 4 out of 5 stars (30)
474 users

Google Calendar Tab

Adds a button to open Google Calendar in a new Tab

Rated 4 out of 5 stars (17)
8,580 users

Strip inline images

Adds a button to the compose window to remove inline images from messages. The images are replaced with their filename in angled brackets.

This is helpful when replying to long message threads with lots of embedded images.

Rated 5 out of 5 stars (3)
171 users

Spellchecker Rumantsch Surmiran

Spellchecker for Rumantsch Surmiran

Not yet rated
20 users

Customoji

Adds easy custom emojis to Thunderbird.

NOTE: you need to add the emojis yourself in the extension settings

Not yet rated
30 users

vault56 protection

vault56 protection protects against potentially malicious attached files and links. Links are rewritten to pass through vault56 URL protection servers and checked for trackers and malicious activity.

Rated 5 out of 5 stars (2)
60 users

Spellchecker Rumantsch Sutsilvan

Spellchecker Rumantsch Sutsilvan

Not yet rated
5 users

Calendar Tools: Gantt-/ Year View, Time Planner

Display Gantt View and Year View
Task Time Planning: daily, distribute your open tasks into open time slots.

Rated 5 out of 5 stars (1)
130 users