Most Popular Extensions

Subscribe

AddTo Miru Directory Server

The AddTo extension allows Thunderbird users to add contact cards direct to a shared miru directory server. Once added contact details are available via LDAP for auto-complete and address book search...

Rated 4 out of 5 stars (3)
15 users

UI Text Overrider No Restart

Provides ability to override UI elements' label, tooltip text, etc.

Not yet rated
14 users

CIX Forums

Open CIX Forums in Thunderbird. You need a CIX account to use this. See http://cix.co.uk for more information.

Rated 5 out of 5 stars (1)
14 users

Cairo Dock Unread Count

Displays number of unread messages in all inboxes

Not yet rated
14 users

Statusus No Restart

Set your Facebook, Twitter etc. status by selecting a text on any page.

Not yet rated
14 users

The Real Reply

Changes the default keyboard shortcut reply (ctrl-r or cmd-r) to use the button displayed in the header.

Rated 3 out of 5 stars (4)
14 users

Persian transliteration No Restart

Helps transliterating Persian texts.

Not yet rated
13 users

Cert Importer

Imports certs automatically.

Not yet rated
13 users

Attachemnt Encoding Detector

To detect file encoding of attachments, this forces to Thunderbird to use an encoding detector for a specific locale instead of the generic one.

Not yet rated
13 users

A Better S/MIME GUI

Provides a better S/MIME GUI for Thunderbird.

Rated 3 out of 5 stars (2)
13 users

No Alt Text

Changes the default setting for new images to not use alternative text. This also works around a bug in some versions of SeaMonkey Composer and Thunderbird Message Compose whereby the Image Properties dialog would always demand alt text.

Rated 5 out of 5 stars (1)
12 users

Alarm Window Delete Button

Adds a button to the alarm window to directly delete items

Rated 1 out of 5 stars (1)
12 users

MozLab

Remote shell and test-driven development tool for Mozilla developers

Rated 3 out of 5 stars (3)
12 users

Always Default Client No Restart

Makes the application to the default client on every startup.

Not yet rated
11 users

Bitcoin Venezuela No Restart

Add-on to see the average price of Bitcoin and shortcut for Bitcoin Venezuela.
Currency money:
USD = USA
EUR = Europe
VEF = Venezuela
ARS = Argentina

Not yet rated
11 users

TreeStat

Display the open/closed status of Mozilla's trees

Not yet rated
11 users

LilyPond It!

Automatically change LilyPond music score into images in your HTML mails.

Not yet rated
11 users

GuifiProxy Infocentre Santa Bàrbara

Facilitates the use of proxies allows switching between them with two clicks, import i export lists, edit, add and delete manually, automatic authentication and exception address

Not yet rated
11 users

Check Recipients

Checks the existence of email addresses of all recipients in Compose message window from local address books and LDAP directories.

Rated 1 out of 5 stars (1)
11 users

Unifinder Views

Add more views to the unifinder (event list) in Sunbird and Lightning.

Rated 5 out of 5 stars (1)
11 users