Firefox power up!

by Gabuds

68 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,040 reviews

22,517,715 users

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).
Collector's Note block those stupid ads and much more :)

Video DownloadHelper by mig

Rated 4 out of 5 stars 6,093 reviews

4,801,932 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Collector's Note download flv videos

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 970 reviews

1,321,910 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.
Collector's Note You can do a lot!

Google Translate, ImTranslator, Dictionary, TTS by Smart Link Corporation

Rated 4 out of 5 stars 432 reviews

347,454 users

MORE THAN 22 MILLION DOWNLOADS
ImTranslator provides translation powered by Google Translate, Microsoft, Babylon for 70+ languages. It includes Translator, Dictionary, Text-to-Speech, Back Translation.
Video Tutorial: http://youtu.be/qyLyFkQuMGU

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,573 reviews

948,486 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
Collector's Note one of the best add-on

Flagfox by Dave G

Rated 5 out of 5 stars 638 reviews

602,006 users

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...
Collector's Note Fast way to whois a server

Full Web Page Screenshots (♥♥♥♥♥) by susbox

Rated 5 out of 5 stars 444 reviews

295,604 users

FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only
Collector's Note takes pic of the entire page (or just the viewable part) and has editing options.

Personas Plus by Mozilla

Rated 3 out of 5 stars 961 reviews

371,075 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.
Collector's Note Skins

IE Tab V2 (Enhanced IE Tab) by ietab.net

Rated 4 out of 5 stars 421 reviews

606,485 users

Note: If you are encountering the Connecting... problem see instructions below.

The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 341 reviews

163,662 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 648 reviews

125,473 users

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

UnPlug by h2g2bob

Rated 4 out of 5 stars 241 reviews

52,671 users

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.
Collector's Note another one to download flv videos when video downloader won't work

Image Zoom by Jason Adams

Rated 4 out of 5 stars 333 reviews

168,731 users

Adds zoom and rotation functionality for images...
Collector's Note You might be wondering what it does...

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 126 reviews

151,007 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
Collector's Note IRC is fun!

Status-4-Evar by Sparky Bluefang

Rated 5 out of 5 stars 545 reviews

152,274 users

Status bar widgets and progress indicators for Firefox 4+
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