最も人気の拡張機能
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.
ChatZilla
要再起動
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
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).
FireTray
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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 ...
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.
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.
Join-NG
要再起動
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".
FlashGot Mass Downloader
要再起動
おすすめ
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Standalone SeaMonkey Mail
Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.
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.
Awesome Auto Archive
Automatically do Archive/Copy/Delete/Move actions based on user defined rules
True Full Screen in SeaMonkey
This extension enables true full screen mode in SeaMonkey for HTML5 video players, slide-shows, etc. and also for full screen invoked manually with the F11 key.
Menu Wizard
要再起動
メニューのカスタマイズ: メニュー項目の名前の変更、移動や削除に役立ちます
重要なメニューを彩色して使いやすくします (スタイル シート(CSS)を使用)
使用しているキーボード ショートカットを変更または無効化します
サポート: Firefox、 Thunderbird および SeaMonkey
Element Hiding Helper for Adblock Plus
テキスト広告と戦います! Element Hiding Helper は簡単に要素の非表示ルールを作成できる、Adblock Plus 用の支援拡張機能です。
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!
自分のコレクションを作成するには Mozilla アドオンサイトのアカウントが必要です。
あるいは 既存のアカウントへログイン