Honey
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
924,245 users
Grammarly: Grammar Checker and Writing App
Improve your writing with Grammarly's communication assistance. Spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
866,476 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.
669,887 users
TWP - 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.
635,683 users
English United States Dictionary
English United States (en-US) Dictionary as shipped with Firefox 91 ESR.
569,091 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience.Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
552,135 users
![Interface Português/Brasil [pt-BR]](https://addons.mozilla.org/user-media/addon_icons/4/4851-64.png?modified=1530703224)
Interface Português/Brasil [pt-BR]
Tradução do Firefox para o português brasileiro. Complemente a tradução instalando o corretor ortográfico: https://addons.mozilla.org/firefox/addon/corretor/
537,205 users
Spanish (Mexico) Language Pack
The Mozilla Mexican Community publish the Language Pack in Mexican Spanish (es-MX) for Mozilla Firefox.
530,926 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
530,597 users
SaveFrom.net helper all-in-1 / youtube downloader
SaveFrom.net helper will enable you to download files from YouTube.com, FaceBook.com, Vimeo.com, Daylimotion.com, VK.com, Odnoklassnoki.ru, Soundcloud.com and more than 40 other just in one click.
497,980 users
Capital One Shopping: Online Coupon Tool
Capital One Shopping instantly applies coupon codes to your shopping cart, helps you snag exclusive rewards when you shop at stores you love and compares prices on Amazon to other popular retailers. It's kinda genius.
445,633 users
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
437,690 users
