Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
191,113 users
Video Background Play Fix
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
80,143 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,145,918 users
HTTPS Everywhere
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
718,688 users
DuckDuckGo Privacy Essentials
Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.
1,452,253 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
49,688 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
68,438 users
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
767,245 users
Translate Web Pages
Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.
333,104 users
Simple Translate
Quickly translate selected text on web page. In toolbar popup, you can translate input text.
101,664 users
ImTranslator: Translator, Dictionary, TTS
COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.
158,361 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
600,824 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
214,457 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
1,562,981 users