Complete

by Kantana

59 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,620 reviews

13,576,181 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).

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 2,089 reviews

629,947 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,100 reviews

1,322,613 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 4 out of 5 stars 1,796 reviews

924,440 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,581 reviews

1,757,234 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 1,154 reviews

866,595 users

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

Stylish by userstyles.org

Rated 4 out of 5 stars 875 reviews

319,351 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.

Flagfox by Dave G

Rated 5 out of 5 stars 671 reviews

332,145 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Classic Theme Restorer by Aris

Rated 5 out of 5 stars 1,075 reviews

320,706 users

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29-56 (Windows / MacOSX / Linux).

Release builds
Beta builds

Web Developer by chrispederick

Rated 5 out of 5 stars 271 reviews

283,368 users

The Web Developer extension adds various web developer tools to the browser.

Web of Trust, MyWOT/WOT: Website Reputation Rating by WOT Services

Rated 4 out of 5 stars 1,341 reviews

307,901 users

Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.

Reddit Enhancement Suite by honestbleeps, Andy Tuba

Rated 5 out of 5 stars 121 reviews

210,313 users

NOTE: Reddit Enhancement Suite is developed independently, and is not officially endorsed by or affiliated with reddit.

RES is a suite of tools to enhance your reddit browsing experience.

FireGestures by Gomita

Rated 4 out of 5 stars 881 reviews

266,456 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Session Manager by Michael Kraft

Rated 4 out of 5 stars 470 reviews

229,690 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,524 reviews

176,653 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!
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