To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Games & Entertainment
Encrypt and decrypt easily personal details and private messages at your social networks, blogs and websites.
Seismic Shaker No Restart
Seismic Shaker rattles your browser window whenever a strong earthquake occurs near you.
KittyKeys No Restart
Listen to cats, kittens and kitties as you type!
League of Legends Stream Notification
6point7 is a safe and fun social video chat room for Facebook users. when you enter the chat room, you will meet a random user and you can interact using a webcam, a microphone and text chat. "Add as Friend" if you like the new friend .
YouTube™ Most Popular No Restart
A grid view of most pupular videos on YouTube.
HarryLafranc No Restart
Soyez au courant quand votre streameur préféré commence à streamer!
Back To Top Button No Restart
Back to top at any web pages. Easy and fast.
Streams notifier No Restart
Be notified of streams from Dailymotion, Hitbox and Twitch
Movie Info @ Portitle No Restart
Add a right-click context menu action for links & selected text to get movies & TV shows reviews, trailers, subtitles, torrents & direct watch it.
SpoilerBlock No Restart
This add-on hides the episode information at IMDb for characters in series.
RotoGrinders FanDuel Helper No Restart
The FanDuel helper extension by RotoGrinders lets you see an opponent's win record by hovering over their username.
One click Gmail account access!
Simple-Calculator No Restart
a basic simple math operator add-on
Backgrounds new tab is a firefox add-on that allows the user to update and change their new tab background.
شاهد من يزور بروفايلك على الفيس بوك
Folloyu is a free add-on that lets you easily resume the webpage that you are currently browsing on another device. Also available for Chrome.
Download any YouTube video in MP3 format