此扩展以最大限度扩充你的浏览空间，包括隐藏标题栏，隐藏菜单栏等，当然包括一些常用的扩展：tab mix ce（双击关闭标签）,xmarks书签收藏等。
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
Collector's Note it is best fit for adblock plus
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
Bring back your personal and powerful Firefox Button!