A List of Stable, Non-Conficting and Essential addons

by ChessWriter

709 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,841 reviews

20,714,753 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 5,261 reviews

5,104,678 users

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

anonymoX by NilsHügelmann, ochristi, others

Rated 3 out of 5 stars 146 reviews

540,078 users

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

Flash Video Downloader - YouTube HD Download [4K] by pos1t1ve

Rated 4 out of 5 stars 529 reviews

1,162,802 users

Flash Video Downloader helps you to download any video (flv, mp4, HD) from YouTube-like, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,568 reviews

1,403,154 users

The first and only download manager/accelerator built inside Firefox!

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,466 reviews

2,164,688 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 941 reviews

1,253,925 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 482 reviews

1,003,951 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.

Google Translator for Firefox by nobzol

Rated 4 out of 5 stars 294 reviews

722,868 users

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

iMacros for Firefox by iMacros

Rated 4 out of 5 stars 368 reviews

510,873 users

Automate Firefox. Record and replay repetitious work. If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the soluti...

Stylish by Jason Barnabe

Rated 4 out of 5 stars 732 reviews

724,779 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.

LastPass Password Manager by LastPass

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

QuickJava by Doug G

Rated 5 out of 5 stars 244 reviews

267,086 users

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.
Collector's Note I think this is much better than things like NoScripts. Much less cluttered, much less time wasting and much more simpler to use. The only negative - it takes space of 5 buttons on the addon bar(although the buttons are beautiful, I must say). If you want only one button to toggle all plugins, use the Pluggin toggler.

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,132 reviews

773,487 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...
Collector's Note The best flashblocking addon from among all of them. This is one of the few flashblockers that save bandwidth by preventing flash content from loading on a page before it is rendered. There are other flashblockers that let flash load, and then block it, which hardly saves any bandwidth.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 238 reviews

378,821 users

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