uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,950,225 users
Block Site
A customizable, password-protected website blocker and redirector.
70,733 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,088,976 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.
68,502 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
35,764 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
422 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
487,616 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,027,758 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.
12,002 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.
28,911 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
62,946 users
CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
25,663 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
456,257 users
Tree Style Tab
Show tabs like a tree.
211,092 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.
917 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).
3,757,023 users
TST Lock Tree Collapsed
Provides ability to lock trees in Tree Style Tab as collapsed.
262 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.
1,205,824 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
2,157,671 users
BlockSite
BlockSite is an extension, which automatically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.
32,450 users
Lock Adblock
Lock Adblock: A lightweight, permissionless and user-friendly ad blocker for ads, trackers and malware.
2,226 users
Anti-Adblock Blocker
Blocks common anti-adblock solutions Homepage: https://gitlab.com/aforementioned.dude/anti-adblock-blocker Report issues: https://gitlab.com/aforementioned.dude/anti-adblock-blocker/issues
6,676 users
BlockTube
YouTube™ Content Blocker Block channels and videos from YouTube™ Fast and easy
19,946 users
Block Site
Easily block websites of your choice!
6,993 users
TST Lock
Lock important tabs from being accidentally closed while using the Tree Style Tab addon.
31 users