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by SuperGrouper

20 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,887 reviews

20,567,067 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).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,770 reviews

2,508,515 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 959 reviews

1,289,598 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,579 reviews

1,407,431 users

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

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 925 reviews

581,648 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,511 reviews

321,098 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

MP4 YouTube Downloader by Jake Hartz

Rated 4 out of 5 stars 58 reviews

78,357 users

This simple add-on allows you to download MP4 (iPod-compatible) videos from YouTube, Dailymotion, and Vimeo.

ScrapBook by Gomita

Rated 4 out of 5 stars 840 reviews

173,803 users

Helps you to save Web pages and organize the collection.

Work Offline by ASANO, Naoyuki

Rated 4 out of 5 stars 46 reviews

6,893 users

Adds work offline mode UI to Mozilla Firefox.

Html Validator by Marc Gueury

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 23+, you need 0.958 (under review)
http://users.skynet.be/mgueury/mozilla

rikaichan by ffjon

Rated 5 out of 5 stars 88 reviews

50,787 users

Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...

Red Cats (blue flavor) by Red_Fat_Lazy_Cat

Rated 5 out of 5 stars 153 reviews

11,946 users

There can never be too many cats! Turn your Firefox into Firecat and enjoy browsing in the furry company. The theme also comes in green flavor.

Littlefox for Firefox by alfredkayser

Rated 4 out of 5 stars 135 reviews

14,098 users

HOTFIX: 2.0.32.1 is uploaded, awaiting review.
LittleFox, designed for optimal screen usage, leaving lots of room for browsing. Includes support for many extensions.

Install the About Home Themer extension to also theme the about:home page.

Download Statusbar by C.J.

Download Now

Experimental

Rated 4 out of 5 stars 1,461 reviews

528,293 users

View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.

Thanks Tekzilla for your awesome review! Click here to see their video: http://youtu.be/BUDqWrJ-Vao

Google Shortcuts - All Google Services at a glance by Soeren Rinne

Download Now

Experimental

Rated 4 out of 5 stars 348 reviews

50,801 users

Display all Google services as buttons or as a space-saving dropdown menu next to your address bar. Reach services like Gmail, Google reader, Google maps, Google calendar, and many more in a single click from your browser.
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