Norton Safe Web
Protects your browser from online threats.
453,461 users
452,154 users
Language: Español (MX) (Spanish, Mexico)
Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico
450,005 users
Browsec VPN - Free VPN for Firefox
Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN extension, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want.
447,387 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
440,627 users
Honey
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
417,645 users
Language: Polski (Polish)
Firefox Language Pack for Polski (pl) – Polish
395,048 users
MetaMask – Crypto Wallet
The most secure wallet for crypto, NFTs, and DeFi, trusted by millions of users
377,527 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, Odnoklassniki.ru, Soundcloud.com and more than 40 other just in one click.
372,860 users
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
368,224 users
1Password: Password Manager
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
354,543 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
350,284 users
Language: 简体中文 (Simplified Chinese)
Firefox Language Pack for 简体中文 (zh-CN) – Simplified Chinese
335,705 users
Language: Italiano (Italian)
Firefox Language Pack for Italiano (it) – Italian
335,593 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
311,536 users
284,939 users
English United States Dictionary
English United States (en-US) Dictionary as shipped with Firefox 115 ESR.
283,650 users
French spelling dictionary
Spelling dictionary for the French language.
274,509 users
Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
270,750 users
Language: Español (AR) (Spanish, Argentina)
Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina
264,208 users
I don't care about cookies
Get rid of cookie warnings from almost all websites!
263,783 users
Language: Nederlands (Dutch)
Firefox Language Pack for Nederlands (nl) – Dutch
259,074 users
Ecosia — The search engine that plants trees 🌱
This extension adds Ecosia.org as the default search engine to your browser — it’s completely free!
253,518 users
Keepa.com - Amazon Price Tracker
→ Price History charts → Price Drop & Availability Alerts → Over 1 billion tracked products → Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .it | .es | .in | .mx
250,525 users
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
246,216 users