Firebug（非常有用的前台调试工具）:
https://addons.mozilla.org/en-US/firefox/addon/1843

FireShot（网页截图）
https://addons.mozilla.org/en-US/firefox/addon/5648

Web Developer(一个综合的前台页面工具)
https://addons.mozilla.org/en-US/firefox/addon/60

Tab Mix Plus(强大的标签浏览增强插件)
https://addons.mozilla.org/en-US/firefox/addon/1122

FlashGot(下载辅助工具)
https://addons.mozilla.org/en-US/firefox/addon/220