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Birthday Calendar

Adds calendars containing the birthdays from your address books.

Rated 4 out of 5 stars (27)
4,880 users

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Calculation Pad

This extension features a serverless single page application with spreadsheet and plain text pad functions from jQuery and jSpreadsheet for Thunderbird/Firefox/Sea Monkey. Plain text values and formats can be imported or exported to a local device.

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5 users

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Webpage Print from Context Menu

Print the current webpage from the context menu

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6 users

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ThunderSearch

Open a Google search browser window in Thunderbird from the context menu

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6 users

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YouTube RSS feed redesign

Adds YouTube thumbnails to RSS feed entries

Rated 5 out of 5 stars (1)
82 users

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Microsoft Teams - Quick Access

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

Rated 2 out of 5 stars (1)
608 users

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Apply ROT13

Apply ROT13 to selected text in messages.

Select any text in the message body, right-click on the selection to open the context menu and select "Apply ROT13". Alternatively, you can use a configurable keyboard shortcut (Ctrl-Shift-D by default).

Rated 5 out of 5 stars (1)
31 users

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Google Mail Tab

Button to open Google Mail, supports multiple accounts. Useful if you need to configure mail settings, filters or forwarding in Gmail.

Rated 4 out of 5 stars (1)
85 users

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Khmer Spellchecker

Khmer (km-KH) spellchecker by Tim Boeun.

Rated 5 out of 5 stars (2)
8 users

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Uzbek spell checker

This is a spell checker for Uzbek language in Latin script.

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1 user

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Dictionnaire orthographique kikongo

Correcteur orthographique en kituba de RDC, kikongo ya leta

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1 user

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Simpler English Dictionary Requires Restart

A Simpler English Spellchecker.

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1 user

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Haitian Creole spell checker

Korektè Òtograf Kreyòl (KÒK) se yon korektè òtograf otomatik gratis nan lang Kreyòl Ayisyen ki develope avèk èd LOGIPAM ak Kevin Scannell
Korektè Òtograf Kreyòl (KÒK) is a free Haitian Creole Spell Checker developed by LOGIPAM and Kevin Scannell

Rated 5 out of 5 stars (1)
10 users

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Azerbaijani Spellchecker

Azerbaijani SpellChecker for Mozilla Firefox. Developed with love by Mozilla Azerbaijan.

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1 user

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FileLink Provider for Dropbox

Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.

Rated 4 out of 5 stars (23)
55,166 users

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Hide Email Folders

Hide Email Folders from the Folder pane (Left pane).
Note: This addon only works for Unified pane/folder mode.
Note #2: Please note that this addon only hide email folders and NOT local folders!
Special thanks to John Bieling, C-E and Alex Cabal.

Rated 4 out of 5 stars (14)
377 users

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Get All Senders

This add-on retrieves all the senders associated with the emails in this mailbox and stores them in your clipboard.
For more information and to report an issue, please visit the project home page at https://github.com/CicadaCinema/get-all-senders .

Rated 4 out of 5 stars (5)
318 users

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Topic Tree / Notebook and Wiki in TB

* Keep notes and ideas
* Style with images, tables, links, mindmaps etc.
* Full text search
* Copy and paste text/html
* Use templates
* Link notes
* Backup
* Print notes
* Real time sync/replication to other TB/FF/FF on Android installations

Rated 3 out of 5 stars (6)
408 users

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composeSelectMacro

定型文４つ保存しておいて、メールを作成する時にそのテキスト文を挿入できるツールです
You can prepare four fixed phrases, select them when composing an email, and insert them in the body of the email.

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43 users

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Thematic

Quickly switch between your themes or back to the default.

Rated 3 out of 5 stars (2)
597 users

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