My Must Have!

by LandisTwo

33 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,865 reviews

20,742,963 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).

Download Flash and Video by Download Flash and Video

Rated 4 out of 5 stars 306 reviews

692,927 users

Download Flash and Video is a great download helper tool that lets you download Flash games and Flash videos (YouTube, Facebook, Dailymotion, Google Videos and more) with a single click.
The downloader is very easy to use.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 734 reviews

731,800 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,142 reviews

784,205 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 240 reviews

385,731 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Web Developer by chrispederick

Rated 5 out of 5 stars 209 reviews

577,413 users

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

FT DeepDark by steva

Rated 5 out of 5 stars 543 reviews

196,987 users

Smooth dark theme for Firefox
> BETA VERSION AVAILABLE HERE <

Session Manager by Michael Kraft

Rated 4 out of 5 stars 544 reviews

275,541 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.

Customizable Shortcuts by Tim Taubert

Download Now

Experimental

Rated 4 out of 5 stars 152 reviews

33,745 users

Allows to customize or disable most of the shortcuts offered by Firefox. This add-on does *not* allow to add new shortcuts, but it might help you discover new ones.

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 109 reviews

75,857 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 61 reviews

138,659 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

www.Translate by Trident Software

Rated 4 out of 5 stars 24 reviews

14,392 users

Multi-Translator from Google, Bing and Pragma.
Translation tool for your Firefox and Thunderbird with a simple and friendly interface.

Spell Checker by Gaurang033

Rated 3 out of 5 stars 75 reviews

16,955 users

Checks the (whole) web page (and not the text inside edit box) for spelling mistakes and highlights it.

Office Black by James Brown

Rated 4 out of 5 stars 280 reviews

29,802 users

A theme based on the Office 2007 Black colours.

View Source Chart by Jennifer Madden

Rated 5 out of 5 stars 104 reviews

15,983 users

Inspect the DOM at lightning speed.
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