Language: Español (ES) (Spanish, Spain)
Firefox Language Pack for Español (ES) (es-ES) – Spanish, Spain
697,957 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.
680,617 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
659,152 users
Language: Русский (Russian)
Firefox Language Pack for Русский (ru) – Russian
650,015 users
Norton Safe Web
Protects your browser from online threats.
647,894 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
593,236 users
Language: Português (BR)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
588,962 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
579,038 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.
565,461 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
558,598 users
540,220 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
523,423 users
Language: Español (MX) (Spanish, Mexico)
Firefox Language Pack for Español (MX) (es-MX) – Spanish, Mexico
515,986 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.
490,592 users
MetaMask
Ethereum Browser Extension
488,059 users
474,691 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
474,149 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
472,132 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.
455,239 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
452,763 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
442,841 users
Language: Español (AR) (Spanish, Argentina)
Firefox Language Pack for Español (AR) (es-AR) – Spanish, Argentina
423,308 users
English United States Dictionary
English United States (en-US) Dictionary as shipped with Firefox 115 ESR.
409,457 users
Language: Polski (Polish)
Firefox Language Pack for Polski (pl) – Polish
399,627 users
Language: Español (CL) (Spanish, Chile)
Firefox Language Pack for Español (CL) (es-CL) – Spanish, Chile
391,294 users