My Must Have!

by LandisTwo

33 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,989 reviews

23,439,654 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 325 reviews

758,005 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 763 reviews

712,282 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.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 251 reviews

403,723 users

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

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,176 reviews

794,672 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...

Web Developer by chrispederick

Rated 5 out of 5 stars 218 reviews

638,054 users

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

Session Manager by Michael Kraft

Rated 5 out of 5 stars 437 reviews

307,466 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

Rated 4 out of 5 stars 140 reviews

44,024 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 existing ones.

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 113 reviews

79,822 users

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

www.Translate by Trident Software

Rated 4 out of 5 stars 29 reviews

15,549 users

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

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 65 reviews

154,520 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.

Spell Checker by Gaurang033

Rated 3 out of 5 stars 79 reviews

18,527 users

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

View Source Chart by Jennifer Madden

Rated 5 out of 5 stars 109 reviews

16,398 users

Inspect the DOM at lightning speed.

Office Black by James Brown

Rated 4 out of 5 stars 276 reviews

30,452 users

A theme based on the Office 2007 Black colours.
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