64 Add-ons in this Collection
Allows you to quickly and easily highlight all instances of a word or phrase within the current page. Simply select the text you want, right click and choose "highlight"...
(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.
Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...
Unclutter the "Tools" menu by moving new items to a "More Tools" menu.
Launchy will enable you to open links and mailto's with external applications...
Supports to customize the Default Character Encoding for each sites.
Note from Mozilla: This add-on has been discontinued. Try DragIt instead.
Allows you to open links in new tabs, and do more with drag and drop gestures easier.
QRCode (2D barcode) generator extension for quick data-to-smartphone transfer! Supports links, images & text selection codes.
if you find some web page use Hidden Text insert in normal articles,try this.
Custom Buttons² by SCClockDr, nicholasalipaz, others
The Custom Buttons² Firefox extension provides the code base support necessary to create, maintain, import, and export custom toolbar buttons. The buttons can perform just about any task, with a large number of buttons already available on the exte...
Web Mirror Viewer displays various internet mirrors of an open tab or right-clicked link via the right-click context menu. Useful for dealing with dead pages/broken links and getting around proxies.
This sexy baby can transparently wrap ActiveX into the Plugins which supported by firefox. You can just link the media files(Wmplayer, Rmplayer, QtPlayer and FlashPlayer) as normally without security problems.
This extension allows for customization of the Add Bookmark dialog. The bookmarks tree can be automatically opened and elements can be revealed or hidden. Also, the dialog can be resized!