This is a collection of add-ons that I found interesting to review.
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
Creates one Pdf from any amount of open Browsertabs,Bookmarks/-folder, Scrapbook(Plus) pages. This document can be archived, sended by e-mail or printed out with any standard Pdf Viewer.