!!!Must Have for All

by asnpost

27 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,856 reviews

19,743,763 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).

Video DownloadHelper by mig

Rated 4 out of 5 stars 7,018 reviews

4,344,104 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,835 reviews

1,949,681 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 535 reviews

775,572 users

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.

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 362 reviews

261,336 users

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.

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,281 reviews

342,868 users

Direct access to your most visited websites

Web Developer by chrispederick

Rated 5 out of 5 stars 248 reviews

435,471 users

The Web Developer extension adds various web developer tools to the browser.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

241,567 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Session Manager by Michael Kraft

Rated 4 out of 5 stars 485 reviews

277,349 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Fast Dial by telega

Rated 3 out of 5 stars 2,543 reviews

110,226 users

Visual bookmarks for Firefox.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 358 reviews

126,347 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 661 reviews

105,832 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.

ReminderFox by Tom Mutdosch, Daniel Lee

Rated 4 out of 5 stars 528 reviews

74,385 users

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

YSlow by YSlow

Rated 3 out of 5 stars 215 reviews

70,849 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

UnPlug by h2g2bob

Rated 4 out of 5 stars 243 reviews

48,404 users

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.
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