Featured Extensions

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NoScript Security Suite Requires Restart Featured

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.

Rated 5 out of 5 stars (1,577)
1,739,208 users

Dictionary (Google™ Translate) Anywhere Compatible with Firefox 57+ Featured

"Dictionary (Google™ Translate) Anywhere" extension provides access to a floating multilingual Google Translate panel on any webpage.

Rated 5 out of 5 stars (57)
12,296 users

Privacy Settings Featured

Alter Firefox's built-in privacy settings easily with a toolbar panel.

Rated 5 out of 5 stars (64)
18,854 users

Disconnect for Facebook™ Featured

Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.

Rated 4 out of 5 stars (12)
22,414 users

Desktop Messenger for Telegram™ Featured

An easy access to Telegram, and notifies you of incoming posts.

Rated 5 out of 5 stars (18)
4,386 users

iMacros for Firefox Featured

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (508)
664,105 users

Classic Toolbar Buttons Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.

Beta builds on versions page!

Rated 5 out of 5 stars (132)
29,854 users

CookieKeeper Featured

Extended Cookie Manager - Keep only wanted cookies.

Rated 4 out of 5 stars (67)
11,344 users

Bluhell Firewall Featured

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 4 out of 5 stars (419)
70,784 users

Google™ Translator Featured

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.

Rated 4 out of 5 stars (158)
64,052 users

Private Tab Featured

Adds private tabs.

Rated 5 out of 5 stars (243)
50,276 users

QuickJava Requires Restart Featured

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!)

Rated 5 out of 5 stars (189)
196,254 users

gtranslate Featured

With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.

Rated 4 out of 5 stars (493)
55,584 users

Enhancer for YouTube™ Compatible with Firefox 57+ Featured

Tons of features to improve your user experience on YouTube™.

Rated 5 out of 5 stars (112)
117,172 users

Messenger for Skype™ Web Featured

Access to Skype Web from within a toolbar panel. You can use this app to call your friends without the need to switch current browser tab

Rated 5 out of 5 stars (9)
3,360 users

Print Edit Requires Restart Featured

Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.

Rated 5 out of 5 stars (306)
101,039 users

New Tab Override (browser.newtab.url replacement) Featured

This add-on brings back the ability to change the page which is shown when opening a new tab.

Rated 5 out of 5 stars (155)
109,322 users

Web Clipper: Easy Screenshot Featured

Easy Screenshot is an easy to use screen capture tool. Simply press one of the context menu items to capture entire or a portion of your screen.

Rated 4 out of 5 stars (30)
9,462 users

lesspass Compatible with Firefox 57+ Featured

Use LessPass add-on to generate complex passwords and log in automatically to all your sites

Rated 4 out of 5 stars (13)
4,320 users

YouTube™ Flash-HTML5 Compatible with Firefox 57+ Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 4 out of 5 stars (48)
35,799 users