This extension will enable you to organize your status bar icons. You can now rearrange or remove any item (icon or text) in the Firefox status bar. If your status bar is full and cluttered like mine was, give this a try.
if you find some web page use Hidden Text insert in normal articles,try this.
Tab grouping, vertical tab tree, multi-rows, and various tweaks for power users.
This extension allows you to defragment (vacuum) the Places database, used by FireFox.
Vacuum'ing can significantly reduce loading time of the browser and speed it up.
Adds collapsible header and sidebar, event title text wrap, colored weekend days, week numbers, and skins to Google Calendar.
Easy shrink any long URL or link in the page to something you can email or Twitter using the TinyUrl service with a single click in your browser.
Replaces the close tab graphic with numbers to help with quick tab navigation via CTRL + [1-8] or Alt + [1-8].
Collections are groups of related add-ons that anyone can create and share.Explore Collections