Language: Español (ES) (Spanish, Spain)
Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
661,660 users
Norton Safe Web
Protects your browser from online threats.
641,375 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
638,160 users
IDM Integration Module
Download files with Internet Download Manager
634,266 users
Language: Русский (Russian)
Firefox Language Pack for Русский (ru) – Russian
616,814 users
Language: Português (BR)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
569,644 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
569,554 users
Capital One Shopping: Save Now
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.
560,914 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
560,725 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
546,592 users
520,466 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
518,386 users
Language: Español (MX) (Spanish, Mexico)
Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico
484,083 users
MetaMask
Ethereum Browser Extension
477,610 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.
461,232 users
457,801 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
456,314 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
456,130 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
450,735 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
433,470 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.
423,221 users
Language: Español (AR) (Spanish, Argentina)
Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina
397,073 users
Language: Polski (Polish)
Firefox Language Pack for Polski (pl) – Polish
385,608 users
English United States Dictionary
English United States (en-US) Dictionary as shipped with Firefox 115 ESR.
378,822 users
Language: 简体中文 (Simplified Chinese)
Firefox Language Pack for 简体中文 (zh-CN) – Simplified Chinese
373,891 users