Top-Rated Extensions

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Simple Youtube Repeater Compatible with Firefox 57+

Simply click the repeat button to make the video automatically repeat. Works both with the newest HTML5 Player(version 2) and the old Flash Player(version 1).

Rated 5 out of 5 stars (19)
1,772 users

Better URL Bar

Makes the URL bar and Search bar more readable, and the navigation-toolbar compact.

Rated 5 out of 5 stars (19)
864 users

PlayFlash 64bit Requires Restart

Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.

Rated 5 out of 5 stars (22)
6,252 users

CoLT Requires Restart

CoLT (short for "Copy Link Text") makes it easy to copy either a link's text, or both the link text and its URL in a format you specify. This non-invasive extension simply appears as context menu items when you right-click a link. Fully customizable!

Rated 5 out of 5 stars (92)
3,927 users

Ziftr Alerts (formerly FreePriceAlerts)

You do the shopping. We'll do the searching. It's that simple.

Rated 5 out of 5 stars (22)
522 users

Free Play Club Requires Restart

Menu per il Forum Free Play Club

Rated 5 out of 5 stars (22)
0 users

UsableHomeButton Requires Restart

Allows to go to home page (domain root) of any currently opened website via the “Home” button of the browser.

Rated 5 out of 5 stars (25)
514 users

FlashGot Mass Downloader Requires Restart

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.

Rated 5 out of 5 stars (562)
485,946 users

KeeFox Requires Restart

Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.

Rated 5 out of 5 stars (1,132)
52,397 users

Vue.js devtools Compatible with Firefox 57+

DevTools extension for debugging Vue.js applications.

Rated 5 out of 5 stars (28)
7,526 users

Developer Edition theme enabler

**/!\ This theme is already built-in Firefox 53 and over /!\**

Enables the DevEdition theme on beta or release, and adds an entry in the Appearance's tab. Uninstalling this add-on removes the DevEdition theme from the add-on manager.

Rated 5 out of 5 stars (53)
5,653 users

A Bit Better RTM Requires Restart

Small improvements for Remember The Milk interface (original greasemonkey script "A Bit Better RTM" - http://userscripts.org/scripts/show/32518)

Rated 5 out of 5 stars (31)
280 users

Scroll Up Folder

Goes up a folder of a website.

Rated 5 out of 5 stars (31)
377 users

Open Tabs Next to Current Compatible with Firefox 57+

Open new tabs always to the right of the current one.

Rated 5 out of 5 stars (34)
5,580 users

Tabbed View Source

View Page Source in New Tab, Current Tab or New Window

Rated 5 out of 5 stars (12)
195 users

billiger.de Sparberater - Preisvergleich

Machen Sie Ihren Browser zum Sparberater!
Dieses Add-on hat alles, was Sie erfolgreich sparen lässt:
automatischer Preisvergleich, Gutscheine, Benutzermeinungen und Testberichte

Rated 5 out of 5 stars (68)
1,335 users

Binnen-I be gone Compatible with Firefox 57+

This add-on likely is only useful for users who speak German or visit German language websites - it will remove so called "Binnen-Is" on webpages.

Rated 5 out of 5 stars (83)
1,171 users

Pricee: Search engine Compatible with Firefox 57+

This extension helps in searching for all products across all major Indian eCommerce stores and gives you the latest price

Rated 5 out of 5 stars (12)
5 users

UltraFM

Ultra radio player (radioultra.ru).

Rated 5 out of 5 stars (12)
203 users

CanvasBlocker Compatible with Firefox 57+

Blocks the JS-API for modifying <canvas> to prevent Canvas-Fingerprinting.</canvas>

Rated 5 out of 5 stars (52)
18,346 users