Add RSS icon back into location bar (URL) in Firefox 4.0. This icon was showed in Firefox 3.5/3.6 by default when page offered feeds.
Extension to clean and vacuum your firefox places database.
This is a cut down version of IE View by Paul Roub, which is 47.4 KB. All the same UI and features are there. It has a right click menu item to open a page in IE and a list of sites to always open in IE. It can close tabs automatically and send...
Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.
Now also includes single sign on change!
Use identicons to automatically generate favicons for sites without one.
Testing tool for regular expressions with color highlighting (including submatches) and helpers for creating expressions
Adds extension options dialogs to the Tools or Titlebar menu and includes toolbar icon.
Right-click a link to copy its text; also optionally offers ability to right-click drop-down menu items, buttons, and other form controls to get their text or values
Persistent and private sticky notes for Firefox.
Textmarker! is a text higlighter and text copying tool for Firefox. It allows you to highlight text selections via keyboard and context menu and then highlighted text to be copied. 3 highlighter colors can be configured.
Don't like right-clicking? Use this restartless add-on to toggle your App Tabs with a double-click!