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ImportExportTools Reinício necessário

Adds some tools to import and export folders and messages

Avaliado com 4 de 5 estrelas (229)
440 476 utilizadores

Remove Duplicate Messages (Alternate) Reinício necessário

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Avaliado com 4 de 5 estrelas (203)
81 158 utilizadores

DOM Inspector Reinício necessário

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Avaliado com 5 de 5 estrelas (77)
27 892 utilizadores

ChatZilla Reinício necessário

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Avaliado com 4 de 5 estrelas (150)
26 358 utilizadores

MinimizeToTray Reanimated Reinício necessário

MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.

Avaliado com 4 de 5 estrelas (118)
20 163 utilizadores

LookOut Reinício necessário

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

Avaliado com 4 de 5 estrelas (156)
17 220 utilizadores

Display Mail User Agent Reinício necessário

Mostra o programa com o qual o e-mail seleccionado foi escrito

Avaliado com 4 de 5 estrelas (111)
16 198 utilizadores

JavaScript Debugger Reinício necessário

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Avaliado com 4 de 5 estrelas (52)
11 809 utilizadores

FireTray Reinício necessário

A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...

Avaliado com 4 de 5 estrelas (284)
10 797 utilizadores

MinimizeToTray revived Reinício necessário

Minimizes windows into the system tray.

Avaliado com 4 de 5 estrelas (395)
10 515 utilizadores

Theme Font & Size Changer for ThunderBird

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Avaliado com 3 de 5 estrelas (91)
10 227 utilizadores

Highlighter Reinício necessário

Quickly highlight some text in Thunderbird message composing windows.

Avaliado com 4 de 5 estrelas (78)
10 193 utilizadores

ThunderBirthDay Reinício necessário

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Avaliado com 4 de 5 estrelas (91)
9 135 utilizadores

Awesome Auto Archive

Automatically do Archive/Copy/Delete/Move actions based on user defined rules

Avaliado com 4 de 5 estrelas (37)
7 217 utilizadores

P7MON Reinício necessário

Abilita la gestione alternativa degli allegati P7M

Avaliado com 5 de 5 estrelas (1)
6 967 utilizadores

Nostalgy Reinício necessário

Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.

Avaliado com 5 de 5 estrelas (177)
6 286 utilizadores

Toolbar Buttons

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Avaliado com 4 de 5 estrelas (370)
6 285 utilizadores

Header Tools Lite Reinício necessário

Allows to modify the header and the source of messages

Avaliado com 5 de 5 estrelas (37)
5 067 utilizadores

Dorando keyconfig Reinício necessário

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

Avaliado com 5 de 5 estrelas (54)
5 022 utilizadores

Menu Wizard Reinício necessário

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Avaliado com 5 de 5 estrelas (248)
4 371 utilizadores