Favorite Addon

by Sunny Lam

17 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,842 reviews

20,622,050 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 1,761 reviews

2,281,256 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,568 reviews

1,396,552 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

2,153,408 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 942 reviews

1,245,714 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 483 reviews

992,385 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.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 238 reviews

373,091 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,508 reviews

331,884 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!

FastestFox - Browse Faster by yongqli

Rated 4 out of 5 stars 469 reviews

171,420 users

Save time by speeding up repetitive tasks. Get faster, parallelized downloads, see definitions, auto-load the next page, improve searching, and more. FastestFox will dramatically enhance your productivity!

Personas Plus by Mozilla

Rated 3 out of 5 stars 951 reviews

435,074 users

Personas 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 Personas.

FEBE by Chuck_Baker

Rated 4 out of 5 stars 626 reviews

132,296 users

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

Memory Fox by IDEVFH

Rated 4 out of 5 stars 322 reviews

124,862 users

Attempting to reduce both Browser and Flash RAM Memory usage. Memory Fox will promote the increase of available RAM memories for other application processes. Hopefully, fostering any attempts of Memory Recovery and Retention.

Fast Dial by telega

Download Now

Experimental

Rated 3 out of 5 stars 2,447 reviews

155,912 users

Visual bookmarks for Firefox. (Works with all latest versions of Firefox)

UnPlug by h2g2bob

Rated 4 out of 5 stars 238 reviews

51,448 users

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.

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
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