Up & Coming Extensions

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Rikaichan Japanese-German Dictionary File

A dictionary file for Rikaichan.

Rated 5 out of 5 stars (1)
3,345 users

Copy Folder

The missing Thunderbird "copy folder" feature! Copy folders or entire POP/IMAP accounts recursively to any location while maintaining folder structure.

Rated 3 out of 5 stars (18)
7,096 users

Manually sort folders

This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.

Rated 4 out of 5 stars (80)
65,570 users

Silent Block

Minimum and fast URL blocking by regular expressions.

Rated 5 out of 5 stars (15)
5,373 users

Autoarchive

Automatically archives old mails

Rated 4 out of 5 stars (18)
2,872 users

Quicktext

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Rated 5 out of 5 stars (220)
73,216 users

ReFwdFormatter

Remove the ">" prefix from quote when you make a reply.
Remove "[" and "]" from the subject when you make a forward.

Rated 4 out of 5 stars (7)
2,806 users

Color Folders

Color your Folder Treeview Icons!

Rated 4 out of 5 stars (87)
20,866 users

LocalFolder

Add as many local folders as you want to (like outlook PST).
NB. It doesn't import PST files.

Rated 4 out of 5 stars (8)
7,672 users

SmartTemplate4

SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.

Rated 5 out of 5 stars (42)
15,446 users

Priority Switcher

Change priority of the received messages from the toolbar button and the context menus...

Rated 4 out of 5 stars (18)
2,383 users

Display mail route

Displays country icons for the stations (server) the mail has been routed.

Rated 4 out of 5 stars (9)
1,259 users

GNotifier No Restart

GNotifier integrates Firefox's notifications with the native
notification system from Linux desktop (or MAC OS X). It supports: GNOME, KDE, Xfce,
Cinnamon, MATE, LXDE and Unity.

Rated 5 out of 5 stars (26)
8,359 users

EditEmailSubject

This module allows you to change email subjects

Rated 4 out of 5 stars (25)
4,811 users

TBDialOut

Place phone calls directly from Thunderbird's address book

Rated 5 out of 5 stars (8)
1,584 users

Automatic dictionary switching No Restart

Extension that remembers the language of the spellchecker used when composing and switches to it every time you write to that person.

Rated 5 out of 5 stars (14)
2,408 users

Filter Button

Allows to add a button to the message header view toolbar that shows all filters that match the selected message, including manual and disabled filters. A click on the button allows to select a filter to run.

Rated 3 out of 5 stars (4)
1,075 users

SubSwitch

Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.

Rated 4 out of 5 stars (6)
1,295 users

Tiny JavaScript Debugger

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavsScript.

Rated 4 out of 5 stars (3)
15,520 users

Get All Mail Button Thunderbird

Adds a toolbar button to Get All Mail Accounts in Thunderbird.

Rated 4 out of 5 stars (8)
1,037 users