by Erik Vold
About this Collection
51 Add-ons in this Collection
Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.
View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.
Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!
THIS ADD-ON IS NO LONGER UPDATED PLEASE USE THE BUILT IN PDF VIEWER.
Install Browser Extensions straight from GitHub Repositories
A really generic user agent switcher, no restart required.
Provides the ability to block specific image requests easily.
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
Adds a 'Copy HTML' context menu item which allows you to copy the HTML for the selected content.
Vertical Tabs for Firefox with a space-efficient native look & feel.
Copy your profile to the sdcard for easy debugging.