uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,563,764 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,438,563 users
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
101,164 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
31,137 users
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
990,501 users
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
10,861 users
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
73,294 users
Webmail Ad Blocker
Remove advertising clutter from your web-based email. Expand your viewable area by blocking and removing ads on the right-hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
28,252 users
Lock Adblock
Lock Adblock: A lightweight, permissionless and user-friendly ad blocker for ads, trackers and malware.
8,895 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
637,897 users
Lock Tab Page
Lock the tab page so that clicking the link does not leave the page. Opens in a new tab when a link is clicked
455 users
Password Lock for WhatsApp Web
Automatically lock WhatsApp Web after a period of time or by pressing the action button
623 users
AdLock
AdLock for Mozilla Firefox™ blocks any kind of ads that appeared on the browser. Users are tired of annoying pop ads and video banners. AdLock defines the ad's content and damage it.
1,426 users
TST Lock
Lock important tabs from being accidentally closed while using the Tree Style Tab addon.
34 users
The Browser Lock
DO NOT USE WITHOUT YOUR ORGANIZATION'S AUTHORIZATION. It alerts users not to lose data when they use Smartsheet Forms, Google Forms, and Microsoft Forms.
115 users
Adblock Plus
One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
3,084,331 users
Tabloc
Adds "Lock Tab" button. When you click links while the tab is locked, the link will be opened in a new tab instead of the current tab.
789 users
