by lex

11 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,895 reviews

19,972,040 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 7,138 reviews

4,451,994 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,012 reviews

1,219,601 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,804 reviews

1,226,725 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 355 reviews

707,003 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.

Stylish by

Rated 4 out of 5 stars 836 reviews

449,292 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.

iCloud Bookmarks by Apple Inc.

Rated 2 out of 5 stars 147 reviews

282,093 users

Keep your Firefox bookmarks on Windows up to date with your Safari bookmarks on iPhone, iPad, and Mac with the iCloud Bookmarks extension for Firefox.

Personas Plus by Mozilla

Rated 3 out of 5 stars 933 reviews

273,341 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Fasterfox by RsCcman Production

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Rated 4 out of 5 stars 94 reviews

101,174 users

The One; The Original Fasterfox Gives performance & network tweaks for Firefox. Fasterfox makes your browsing so much faster!
Make your Sites Faster than a Fox with Fasterfox for FireFox!

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 223 reviews

71,059 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

Personal Menu (Personal Firefox Button) by Merci chao

Bring back your personal and powerful Firefox Button!

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