Excelsior 4 (best of FF 3 / business, multimedia, shopping, entertainment suitcase)
About this Collection
Sophisticated description will come soon (next weekend i hope). Meantime, because every newly recorded will increase performance, speedups-extensions are possibly more instructive if Sorted by Added
2350 Add-ons in this Collection
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 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.
Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more
We provide the proxy servers, no external proxies or other programs required
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
- download and save videos embedded into a website to your hard disk
- add youtube, vimeo and other videos easily to your video list
- supports up to 4k videos
DownThemAll! by Nils Maier, Federico Parodi, others
The first and only download manager/accelerator built inside Firefox!
The simplest YouTube Video Downloader for all YouTube Flash sites, period.
Increase your browsing privacy, protection, and speed.
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
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.
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
A very lite YouTube downloader (FLV, WebM, 3GP, and MP4)
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.