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Forward Requires Restart

Add Inline / As Attachment option to Forward button and Message context menu.

Rated 4 out of 5 stars (25)
119 users

Great DANE Requires Restart

Retrieve DANE S/MIME Certificates for Encryption/Signing.

This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).

Not yet rated
0 users

CantoFish Requires Restart

CantoFish is a popup Cantonese-English dictionary for Firefox. It contains over 200,000 entries and works with both traditional and simplified Chinese characters. The Yale and Jyutping romanization systems are supported, as well as Mandarin pinyin.

Rated 5 out of 5 stars (29)
0 users

ZNotes Requires Restart

Save everything you like. Simple text notes and pages downloaded from the internet, rich multimedia. Store any files and contacts from your address book with notes.

Rated 5 out of 5 stars (15)
3 users

Noia Fox options Requires Restart

Options manager and fixes for Noia Fox theme 3.x.x

Rated 4 out of 5 stars (17)
23 users

SavedSearchThemAll Requires Restart

A Thunderbird extension to automagically extend all the saved searches to all the foders!

Rated 4 out of 5 stars (2)
16 users

Message Notes Plus Requires Restart

Message Notes Plus allows to add notes to emails. The notes don't affect the email in any way.They are stored locally on your hard drive.
The commercial version is no longer available. More info on mnpforum.alehro00.com and forum.alehro00.com.

Rated 4 out of 5 stars (39)
25 users

TitleCase For Thunderbird Requires Restart

Transform strings into Title Case, Proper Case, Start Case, Camel Case, Upper Case, and Lower Case. Highlight your text and only changing what you highlighted.

Rated 4 out of 5 stars (14)
215 users

Squared Australis Tabs (Tb)

A small and simple extension, which replaces the curved tabs of the Australis design with squared ones, similar to Thunderbird v14 and prior.

Rated 4 out of 5 stars (9)
13 users

Address bulk copy (アドレス一括コピー) Requires Restart

Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。

Rated 5 out of 5 stars (10)
630 users

Xuxen

Xuxen Basque dictionary.

Rated 5 out of 5 stars (11)
1,527 users

ThunderPlunger Requires Restart

Sorry but this addon is no longer supported in TB 60. See below.

This add-on provides a few new ways to keep Thunderbird clean.

Rated 4 out of 5 stars (31)
31 users

Colorific

Colorize entire web pages. Configure themes using sliders and drag-and-drop. Set domain preferences for automatic coloration.

Rated 4 out of 5 stars (14)
5 users

Outgoing Message Format Requires Restart

Set the default outgoing message format to Auto-Detect, Plain Text Only, Rich Text (HTML) or Plain and Rich (HTML) Text.

Rated 4 out of 5 stars (15)
25 users

WebDAV for Filelink Requires Restart

Adds the possibility to use a WebDAV store for Filelink. With this extension you can link attachments to a WebDAV service, for example as provided by Apache's mod_dav or some public services.

Rated 4 out of 5 stars (21)
82 users

JIRA Integration Plugin (Beta) Requires Restart

Create Jira Tickets directly from within Mozilla Thunderbird (based on E-Mails). This Addons saves your Username and Password in clear text. Use on your own risk. (Also, you might need to disable the CSRF Filter in your JIRA Instance.)

Not yet rated
0 users

hubiC for Filelink Requires Restart

Add hubiC support to Thunderbird's Filelink feature.

Rated 4 out of 5 stars (15)
5 users

Addons Quick Search Requires Restart

Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.

Rated 5 out of 5 stars (12)
5 users

KeePass Helper Requires Restart

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (40)
9 users

ThamiZha! Solthiruthi(Tamil spellchecker)

Tamil Spell checker by Thamizha.com Team.
Its creators include Ve. Elanjelian, S. Muguntharaj, Radhakrishnan, Vijay, A. Suji, Malathi Selvaraj, Sri Ramadoss, Yagna Kalyanaraman, Lavanya Sundararajan, Pranava Swaroop and Siddarth Vengatesan.

Rated 4 out of 5 stars (9)
33 users