Hide Menubar

Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.

Rated 4 out of 5 stars (334)
9,796 users

Minimize On Start and Close

A remake of the MinimizeToTray-extension made to fit the Windows 7 taskbar. Instead of minimize the window to the tray it minimize it to the taskbar. It can minimize on startup, when the window is closed and/or when the esc key is pressed.

Rated 4 out of 5 stars (95)
46,948 users

Add-ons Button No Restart

Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.

Rated 5 out of 5 stars (1)
2,519 users

ownCloud for Filelink

Add ownCloud support to Thunderbird's filelink feature.

Rated 4 out of 5 stars (10)
2,329 users

GPO support For Firefox and Thunderbird No Restart

Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using GPOs

Rated 4 out of 5 stars (8)
6,871 users

Copy Plain Text 2

Copies text without formatting

Rated 5 out of 5 stars (63)
46,120 users

Always HTML

Disable automatic degradation of HMTL mails to plain-text mails.

Rated 5 out of 5 stars (6)
1,704 users


Adds a splash screen to most Mozilla and Mozilla Based products. Supports sound, opacity, CSS customization, custom images, and much more. You can add {appVersion}, {buildID} and {userAgent} to the loading text and it will be filled in for you.

Rated 4 out of 5 stars (104)
5,501 users


SmtpSwitch allows to choose the smtp server when clicking on the 'Send' button.

Rated 4 out of 5 stars (21)
2,124 users


"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (39)
16,233 users


Redirect action in the filters.

Rated 4 out of 5 stars (14)
2,524 users

SMTP Control

SMTP Control is a Thunderbird Add-ons offering dynamic selection of outbond SMTP server while sending a message.

By default thunderbird offer the ability to define a list of SMTP servers. With one global default server for all email accounts or one ...

Rated 3 out of 5 stars (30)
1,224 users


It adds some options to launch easily other profiles and the Profile Manager.

Rated 4 out of 5 stars (69)
50,674 users


about:config for...

Rated 3 out of 5 stars (13)
1,094 users

Add-ons Manager Context Menu

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (32)
14,947 users


Google Keep for Thunderbird

Rated 4 out of 5 stars (5)
1,438 users

ICS Inspector

This extension provides many debugging options related to calendar development. This includes showing the ics data for an event or calendar, evaluating javascript on an event or calendar, and some menu options for debugging.

Rated 4 out of 5 stars (1)
963 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 JavaScript.

Rated 4 out of 5 stars (5)
37,644 users


Extension to manage acls/permissions for shared mailboxes/folders on imap servers.

Rated 5 out of 5 stars (15)
2,726 users

Evolution Mirror

Mirrors calendars to Evolution Database Server to allow them to be viewed through the gnome clock applet

Rated 4 out of 5 stars (46)
967 users