Search

Free Memory Button

Free unused memory that Firefox is currently using.

Rated 3 out of 5 stars (8)
6 users
Works with Thunderbird 20.0 - 42.0
View other versions

Slovak spell checking dictionary

Slovak spell checking dictionary for Mozilla applications (based on the "open-source" dictionaries by Zdenko Podobný).

Rated 4 out of 5 stars (6)
3,514 users

Page Colors & Fonts Buttons

Adds buttons to toggle the using the default page colors and fonts, and the page defined colors and fonts.

Rated 5 out of 5 stars (8)
7 users
Works with Thunderbird 20.0 - 42.0
View other versions

Switch Link External Handler Requires Restart

Provides abilities to switch external handlers to open links.

Not yet rated
0 users
Not available for your platform
Works with Thunderbird 31.0 - 52.*
View other versions

DragToCompose Requires Restart

Enables dragging a file to Thunderbird for composing a new message without opening composer window first.

Rated 5 out of 5 stars (6)
5 users
Works with Thunderbird 1.5 - 58.*
View other versions

Show Password On Input Requires Restart

Gives an option to show the master password on input

Rated 4 out of 5 stars (11)
15 users
Works with Thunderbird 1.5 - 58.*
View other versions

Urdu Dictionary

This dictionary is based on the urdu word list provided at www.crulp.org and the word list compiled by our friends at http://www.urduweb.org/mehfil/

Rated 4 out of 5 stars (16)
18 users

AddressLabel Requires Restart

Create address labels from selected contacts in pdf, odt, ps or html.

Usage
1) Chose settings.
2) In the Address Book, select contacts and right click.
3) Print with "Actual Size" (not "Fit to Page").

Rated 5 out of 5 stars (4)
1 user
Works with Thunderbird 20.0 - 58.0
View other versions

All Menus Button

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 4 out of 5 stars (13)
0 users
Works with Thunderbird 20.0 - 42.0
View other versions

ThunderTabs Requires Restart

This add-on is a button on your toolbar that lets you open web apps as Tabs in Thunderbird. Use it to load Google Mail, Google Wave, Google Voice, and other "inboxes" (or any url) as tabs within Thunderbird, making it your communications hub.

Rated 4 out of 5 stars (13)
9 users
Works with Thunderbird 3.0 - 52.0
View other versions

Copiar Assunto Requires Restart

Adiciona um botão para copiar o Assunto do email selecionado para a área de transferência

Add a button to copy the Subject line of the selected email to the clipboard

Not yet rated
0 users
Works with Thunderbird 31.* - 52.*
View other versions

English-Russian dictionary

Spelling of English and Russian words

Rated 4 out of 5 stars (22)
882 users

PrivaConf

Automatically apply settings recommended by security and privacy experts.

Rated 3 out of 5 stars (3)
1 user
Works with Thunderbird 38.0 - 49.0
View other versions

Restart App Button

Restart the current application, as you might need to do after installing a new extension or theme.

Rated 5 out of 5 stars (6)
3 users
Works with Thunderbird 20.0 - 42.0
View other versions

FromToGMAP Requires Restart

Calculation of the distance and delay between reference address and highlighted address with the Google Map engine. Right click with mouse, select 'Distance with FromToGMAP' and the calculation of distance and delay appear in a popup

Rated 4 out of 5 stars (5)
1 user
Works with Thunderbird 1.5 - 57.0
View other versions

Search IP Requires Restart

This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...

Rated 5 out of 5 stars (5)
0 users
Works with Thunderbird 10.0 - 54.*
View other versions

Srpski

Spell check dictionary for Serbian (Cyrillic and Latin)

Rated 4 out of 5 stars (10)
890 users

IMAP Draft Unread Requires Restart

This is a Thunderbird addon that lets you customize the behavior of the IMAP draft unread messages. No more new mail notifications for your drafts!!

Rated 3 out of 5 stars (1)
15 users
Works with Thunderbird 21.0 - 60.*
View other versions

ThunderSec Requires Restart

ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).

Rated 4 out of 5 stars (7)
4 users
Works with Thunderbird 31.0 - 50.0
View other versions

QuickMultiselect Requires Restart

Adds a column with checkboxes so that you can select multiple messages with only a mouse click.

Rated 5 out of 5 stars (2)
0 users
Works with Thunderbird 30.* - 46.0
View other versions