Killer Extensions ++

by Phil D.

63 Add-ons in this Collection

Update Scanner by sneakypete81

Rated 4 out of 5 stars 220 reviews

29,196 users

Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 193 reviews

28,464 users

Useful tools for the nightly tester.

Secure Login by Sebastian Tschan, Sarah Av.

Rated 4 out of 5 stars 389 reviews

47,298 users

Secure Login is an extension for Firefox integrated password manager.

SkipScreen -- download helper, now for sale... by Skipscreen

Rated 4 out of 5 stars 631 reviews

89,867 users

We’re sorry to say we can’t maintain Skipscreen anymore. We’d love to see someone carry on with it. If you’d like to buy Skipscreen, or otherwise find it a good home, please contact us at

DejaClick by AlertSite

Rated 4 out of 5 stars 48 reviews

3,661 users

Record, bookmark and replay your browser activities in a snap with DéjàClick. Designed for Firefox, DéjàClick can handle the most complex websites - including AJAX, Flash, forms and more. With a single click you can repeat your most common tasks.

MediaPlayerConnectivity by Sethnakht

Rated 4 out of 5 stars 148 reviews

14,426 users

Allow you to launch embed video of website in an external application with a simple click ...

Download Statusbar by C.J.

Download Now


Rated 4 out of 5 stars 1,460 reviews

317,698 users

View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.

Thanks Tekzilla for your awesome review! Click here to see their video:

Tab Utilities by ithinc

Rated 4 out of 5 stars 753 reviews

15,981 users

Open Bookmarks/History/Homepage/URL/Search in new tabs, and more utilities for tabbed browsing, including Protect/Lock/Faviconize/Unload Tab, Reload Every, Select and manipulate multiple tabs simultaneously, Tab Stacking/Coloring, etc.

Multiple Tab Handler by Piro (piro_or)

Rated 4 out of 5 stars 184 reviews

18,867 users

Provides feature to close multiple tabs.

Greasefire by Steve Krulewitz, Erik Vold

Rated 4 out of 5 stars 162 reviews

10,133 users

Automatically find user scripts on (requires Greasemonkey or Scriptish)

Drag & DropZones by Captain Caveman, Andy Portmen

Rated 5 out of 5 stars 131 reviews

10,743 users

Get rid of that clumsy context menu, and search the web using up to 100 stylish Drag & DropZones

New Tab King by Eddie Weber, Adam Green

Rated 4 out of 5 stars 190 reviews

21,576 users

New Tab King is the premier extension for turning your new tab page into a beacon of productivity and efficiency.

Featuring a todo list, recently closed tabs, most visited pages and more!

Tons of visual customization option too!

TabGroups Manager by Axel Shootingstar

Rated 4 out of 5 stars 476 reviews

8,392 users

TabGroups Manager helps to classify and organize tabs by dividing them into Groups. Because tabs become easier to manage, you can never have too many! TabGroups Manager is ideal for tab power users.

AutoPager by Wind Li

Download Now


Rated 4 out of 5 stars 408 reviews

39,682 users

AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.

Show Parent Folder by White Alice0775

Rated 5 out of 5 stars 124 reviews

9,096 users

Show Parent Folder in list view of Library.
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
Results 3145 of 63

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user