Add-ons

by sloprlek

863 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,818 reviews

21,725,126 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 NilsHügelmann, ochristi, others

Rated 4 out of 5 stars 139 reviews

556,672 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 5 out of 5 stars 1,756 reviews

2,583,556 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 315 reviews

1,001,643 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.

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

Rated 4 out of 5 stars 471 reviews

790,130 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,549 reviews

1,503,196 users

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

YouTube Video and Audio Downloader by InBasic, Alopepeo

Rated 4 out of 5 stars 229 reviews

643,840 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 933 reviews

1,374,341 users

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

Adblock Plus Pop-up Addon by Jesse Hakanen

Rated 4 out of 5 stars 194 reviews

1,301,435 users

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 474 reviews

1,112,333 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.

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.

Web of Trust - WOT by WOT Services

Rated 4 out of 5 stars 1,539 reviews

1,245,475 users

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.

YouTube mp3 by Philip

Rated 4 out of 5 stars 192 reviews

697,919 users

Adds a download button to YouTube. By clicking on it you can download the video as a high quality mp3 file.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 729 reviews

761,552 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.

NetVideoHunter - YouTube Video Downloader by netvideohunter

Rated 4 out of 5 stars 345 reviews

300,345 users

This add-on is a downloader that lets you easily download MP4 videos and MP3 music from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...
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