by Erik Vold
About this Collection
50 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.
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!
View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.
Copy ShortURL lets you instantly create a short URL for web pages that you visit, so you can easily share links with friends.
Install Browser Extensions straight from GitHub Repositories
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 small badge to your tabs to alert you to (for example) new messages on Facebook. The badge is also visible when the tabs are pinned so you can see when there's something new available.
This add-on is not being converted to a WebExtension.
Vertical Tabs for Firefox with a space-efficient native look & feel.
Copy the URL of the current page to the clipboard at the click of a button.
Provides the ability to block specific image requests easily.
A really generic user agent switcher, no restart required.
Adds a 'Copy HTML' context menu item which allows you to copy the HTML for the selected content.