LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
525,930 users
Browsec VPN - Free VPN for Firefox
Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want.
517,134 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
492,633 users
Language: Español (MX) (Spanish, Mexico)
Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico
467,558 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
446,645 users
MetaMask
Ethereum Browser Extension
444,108 users
443,432 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.
435,233 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
425,348 users
Language: Polski (Polish)
Firefox Language Pack for Polski (pl) – Polish
392,561 users
388,939 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.
383,285 users
English United States Dictionary
English United States (en-US) Dictionary as shipped with Firefox 115 ESR.
367,048 users
Language: Italiano (Italian)
Firefox Language Pack for Italiano (it) – Italian
361,577 users
Language: 简体中文 (Simplified Chinese)
Firefox Language Pack for 简体中文 (zh-CN) – Simplified Chinese
358,027 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.
345,595 users
Language: Español (AR) (Spanish, Argentina)
Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina
344,419 users
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
316,446 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!
307,123 users
Language: Español (CL) (Spanish, Chile)
Firefox Language Pack for Español (CL) (es-CL) – Spanish, Chile
305,612 users
I don't care about cookies
Get rid of cookie warnings from almost all websites!
303,832 users
French spelling dictionary
Spelling dictionary for the French language.
303,241 users
Language: Nederlands (Dutch)
Firefox Language Pack for Nederlands (nl) – Dutch
288,010 users
Language: 日本語 (Japanese)
Firefox Language Pack for 日本語 (ja) – Japanese
280,725 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
280,562 users