アドオン
最も人気の拡張機能
DownThemAll!
Flexible Identity
要再起動
Selects an identity based on the recipients list when sending an email
ThunderBirthDay
Disable Add-on Compatibility Checks
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
Saved Password Editor
Folderpane Tools
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Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
SeaMonkey Debug and QA UI
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Provides Additional Debug and QA UI for SeaMonkey development and testing.
Image Zoom
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.
User Agent Switcher
要再起動
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Easiest YouTube Video Downloader
This Addon simply adds a dropdown button that lets you download YouTube Videos in various Formats. Download YouTube Videos in FLV, 3GP, MP3, MP4, 720p, 1080p in a single click.
Lightbird
Session Manager
Extra Format Buttons
要再起動
Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.
Quote Colors
要再起動
Quote Colors は、メッセージの表示時や印刷時、引用文のテキスト色と背景色を階層ごとに選択できます。さらに、引用文の表示モードをグラフィカルな表示と従来のプレーンテキスト表示のどちらかに切り替えられます。
Bluhell Firewall
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Speed Start
Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks
Return Receipt Toolbar Button
FireFTP
要再起動
FireFTP is a free, secure, cross-platform FTP/SFTP client for Waterfox which provides easy and intuitive access to FTP/SFTP servers.
Check out my new project, FireSSH!
Cookies Exterminator
Auto delete cookies, localStorage and IndexedDB objects as soon as they become unused
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