Text MultiCopy
Copy Text multiple times before pasting
1,261 users
AdBlock for Firefox
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
1,169,630 users
Tab notifier
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
1,668 users
FoxyTab
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
15,002 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
303,729 users
Privacy Possum
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
97,638 users
Privacy Badger
Automatically learns to block invisible trackers.
545,520 users
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
137,989 users
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
11,015,985 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,676,212 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,049,215 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,313,673 users
Porn/Malware Blocker
Blocks known pornographic and malware domains. When attempting to go to such a domain, the user is redirected to another page, alerting them that the site has been blocked. Unlike other extensions, no content from the blocked site is ever shown.
7,366 users
Block Site
A customizable password protected website blocker and redirector
4,827 users
Parental Control: Family Friendly Filter
Family Friendly browser protection add-on is a content filter to block sites containing pornography and any other kind of inappropriate material.
6,125 users
FoxFilter
Recently called "THE Parental Control for Firefox"! FoxFilter is a personal content filter that helps block pornographic and other inappropriate content. All filtering features are free! Premium features available with small support fee.
14,655 users