附加组件
最热门的扩展
Flexible Identity
需要重开
Selects an identity based on the recipients list when sending an email
Disable Add-on Compatibility Checks
Reinstates the extensions.checkCompatibility preference without respect to the current application version.
ThunderBirthDay
Saved Password Editor
Folderpane Tools
需要重开
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
SeaMonkey Debug and QA UI
需要重开
Provides Additional Debug and QA UI for SeaMonkey development and testing.
Image Zoom
User Agent Switcher
需要重开
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
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.
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.
Session Manager
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
Lightbird
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
Cookies Exterminator
Auto delete cookies, localStorage and IndexedDB objects as soon as they become unused
Extra Format Buttons
需要重开
Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.
Return Receipt Toolbar Button
FireFTP
AMO Browsing für SeaMonkey
Dieses Addon erleichtert SeaMonkey-Nutzern die Suche nach geeigneten Addons. Es korrigiert Fehler in der Kompatibilitätsbeschreibung und verlinkt wenn nötig zum Add-On-Converter.
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