My Favorite Add-ons

by sloprlek

845 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,980 reviews

18,709,444 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).

anonymoX by anonymoX GmbH

Rated 3 out of 5 stars 464 reviews

478,042 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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,063 reviews

1,934,776 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...

Download YouTube Videos as MP4 by ialc

Rated 4 out of 5 stars 466 reviews

1,097,758 users

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,744 reviews

1,214,063 users

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

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,526 reviews

784,194 users

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

Awesome Screenshot Plus - Capture, Annotate & More by Diigo Inc.

Rated 4 out of 5 stars 1,418 reviews

469,635 users

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

YouTube™ Video and Audio Downloader by InBasic, Alopepeo

Rated 4 out of 5 stars 389 reviews

721,628 users

Downloads YouTube videos in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice. It also contains a pure JavaScript library to extract the ORIGINAL audio file embedded in video files.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,024 reviews

1,171,930 users

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

1-Click YouTube Video Download by The 1-Click YouTube Video Download Team

Rated 4 out of 5 stars 500 reviews

622,273 users

The simplest YouTube Video Downloader for all YouTube Flash sites, period.

Google Translator for Firefox by nobzol

Rated 4 out of 5 stars 368 reviews

797,937 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.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 526 reviews

727,391 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.

QuickJava by Doug G

Rated 5 out of 5 stars 187 reviews

273,883 users

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!)

Stylish by userstyles.org

Rated 4 out of 5 stars 798 reviews

434,379 users

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

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
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