!!!Must Have for All

by asnpost

27 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,838 reviews

18,353,919 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 6,831 reviews

3,929,072 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 1,833 reviews

1,894,057 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 532 reviews

748,235 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 359 reviews

257,302 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.

Web Developer by chrispederick

Rated 5 out of 5 stars 245 reviews

416,440 users

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

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,277 reviews

332,768 users

Direct access to your most visited websites

Session Manager by Michael Kraft

Rated 4 out of 5 stars 479 reviews

266,028 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.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 309 reviews

231,426 users

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

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 356 reviews

121,312 users

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

Fast Dial by telega

Rated 3 out of 5 stars 2,518 reviews

106,096 users

Visual bookmarks for Firefox.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 657 reviews

102,197 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 527 reviews

71,217 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 212 reviews

70,545 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

44,059 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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