最も人気の拡張機能

購読

ImportExportTools 要再起動

Adds some tools to import and export folders and messages

5 つ星中 4つの評価を受けています (229)
445,774ユーザー

Remove Duplicate Messages (Alternate) 要再起動

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

5 つ星中 4つの評価を受けています (203)
80,546ユーザー

DOM Inspector 要再起動

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.

5 つ星中 5つの評価を受けています (77)
27,753ユーザー

ChatZilla 要再起動

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

5 つ星中 4つの評価を受けています (150)
26,209ユーザー

MinimizeToTray Reanimated 要再起動

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.

5 つ星中 4つの評価を受けています (118)
20,512ユーザー

LookOut 要再起動

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).

5 つ星中 4つの評価を受けています (156)
17,461ユーザー

Display Mail User Agent 要再起動

\u9078\u629E\u3055\u308C\u305F\u30E1\u30FC\u30EB\u304C\u66F8\u304B\u308C\u305F\u30E1\u30FC\u30EB\u30D7\u30ED\u30B0\u30E9\u30E0\u3092\u8868\u793A\u3057\u307E\u3059

5 つ星中 4つの評価を受けています (111)
16,740ユーザー

JavaScript Debugger 要再起動

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.

5 つ星中 4つの評価を受けています (52)
11,856ユーザー

FireTray 要再起動

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 ...

5 つ星中 4つの評価を受けています (284)
11,344ユーザー

MinimizeToTray revived 要再起動

Minimizes windows into the system tray.

5 つ星中 4つの評価を受けています (395)
10,597ユーザー

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.

5 つ星中 3つの評価を受けています (91)
10,473ユーザー

Highlighter 要再起動

Quickly highlight some text in Thunderbird message composing windows.

5 つ星中 4つの評価を受けています (76)
10,389ユーザー

FiltaQuilla 要再起動

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

5 つ星中 4つの評価を受けています (87)
9,596ユーザー

ThunderBirthDay 要再起動

Thunderbird アドレス帳から Lightning にイベントとして誕生日を表示します。

5 つ星中 4つの評価を受けています (90)
9,551ユーザー

Awesome Auto Archive

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

5 つ星中 4つの評価を受けています (37)
7,402ユーザー

P7MON 要再起動

Abilita la gestione alternativa degli allegati P7M

5 つ星中 5つの評価を受けています (1)
7,014ユーザー

Nostalgy 要再起動

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

5 つ星中 5つの評価を受けています (177)
6,457ユーザー

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.

5 つ星中 4つの評価を受けています (370)
6,392ユーザー

Dorando keyconfig 要再起動

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!

5 つ星中 5つの評価を受けています (54)
5,235ユーザー

Header Tools Lite 要再起動

Allows to modify the header and the source of messages

5 つ星中 5つの評価を受けています (36)
5,218ユーザー