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
Extensions by Name
"/v" to youtube URLs No Restart
This addon adds (and removes) the "/v" in the URL of youtube videos with the simple click of a button!
"Manage Search Engines" button No Restart
Easily reach the "Manage Search Engines" dialog using a toolbar icon!
Provides easy way for VK users to rapidly share materials with friends.
Scans the YouTube page for all formats, including download to .mp3 on selected videos. Designed to be lightweight and unobtrusive, it runs entirely on the page without contacting any external sites.
Replaces "GamerGate" with other G words. Also replaces "GamerGater" with "Alligator".
Removes hash sign in Twitter hashtags.
Allows Tumblr tags to wrap around without having to use the awful drag-scrolling interface.
#ДАНСwithme No Restart
This add-on shows a warning screen when the user tries to open a site from Delyan Peevski's media group.
$heriff - The price discrimination (PD) add-on.
This is an experimental add-on for research purposes only. It measures the extent of PD and what factors can trigger it.
( ͡° ͜ʖ ͡°) No Restart
Need a ( ͡° ͜ʖ ͡°) quickly? ( ͡° ͜ʖ ͡°) is the add-on for you!
(ESCapeFromThemGIFs) No Restart
ESCape From Them GIFs… (Use 'Esc' to Toggle Gif Animation On/Off) Pause all animated gif's with the ESC key... A second press toggles them back on. (image.animation_mode)
(OSI) Open Search Index No Restart
OSI is a distributed P2P project, aiming at creating a censorship free, anonymous and open internet, while earning users OSICoin for submitting results.
(un)clrd No Restart
The internet in black and white.
Get the pulse of Google Plus and follow hot trends in real time.
+Widget No Restart
Add some widgets to Google+ page~ by 五月栞 (tengattack)
Personalize the order of the Google Bar, sorting its elements by dragging and dropping.
+You Google Bar adds a configuration menu to the Google pages allowing you to add, sort or remove the links from the Black Google bar easily.
.com IDN enabled No Restart
install for .com international domain names enabled
Warning : If you install this addon, you will have risk of idn spoofing attack.
More Information :
Pushes the current website to an iOS device of your choice.
Easily insert flair into /r/CFB posts with a shorthand system.