Not found on addons mozilla org are SaveWithURL and mozStorage Explorer (besides the latter doesn't work any more). By Artem S. Tashkinov © 2002-2015
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
The first and only download manager/accelerator built inside Firefox!
The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
Collector's Note Wanna disable it, since Adobe Flash doesn't run by default any more.
Collector's Note I'm using it with the following user scripts: * Apple Trailer Download HD+ * Facebook Link Tracking Disabler * googleInEnglish * Google Tracking-B-Gone * SaveTube
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
Collector's Note [Disabled] I have a separate profile for VK now.
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
Manage any SQLite database on your computer.
Collector's Note [Disabled]
This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Collector's Note [Disabled] I'm a bit scared to have it enabled all the time.
View HTTP headers of a page and while browsing.
Gives you a place to put all your add-on buttons without over-crowding the navigation bar.
Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.
Collections are groups of related add-ons that anyone can create and share.Explore Collections