To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseWeb Development
Sort by:
Google Redesigned 2 Requires Restart
Ported version from Firefox to be compatible with Seamonkey 2.
A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.
bbeContainer Requires Restart
an extension that allows users to edit local files with browser-based editors.
شارك وإربح
شارك أى رابط أو فيديو على الفيس بوك وتويتر .... إلخ وإربح المال فى 3 نقرات فقط
ستربح المال لمجرد مشاركتك الروابط على الشبكات الإجتماعية والمنتديات
تعتبر هذه الاضافة - أسرع وأسهل طريقة للربح من الانترنت
DebugLogger Requires Restart
An extension developer's debug console that is a cleaner alternative to using dump(). It breaks up debug message to be unique per extension or project and let's you view them independently in a clean...
ACColorPicker
A full featured color selector tool, to work with colors, and easily find the colors you want.
很方便色取色器,可以页面上直接取色,然后再对颜色进行进一步的调整
DevPrefs
Automatically sets all preferences for Firefox addon developer production environment.
BrightSide XUL Installer
Automatically installs a set of domains to the Remote XUL whitelist.
sepsis-console (Deprecated) Requires Restart
THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.
sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.
JavaScript Object Examiner Requires Restart
Display JavaScript object methods and properties for any available scope.
AuctionSearchKit Requires Restart
One-click eBay tools providing useful information to the buyer including a map of where items are located, past feedback on similar items and seller history/statistics.
Web Server Check Tool Requires Restart
A tool to perform basic checks on web and DAV servers.
To create your own collections, you must have a Mozilla Add-ons account.