uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
8,055,450 users
Block Site
A customizable, password-protected website blocker and redirector.
73,641 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
2,345,539 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,078,649 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.
70,490 users
Flash Block (Plus)
Provides control over Flash contents
5,264 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
479,287 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,070,062 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.
28,971 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
62,416 users
CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
26,332 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
445,924 users
Flash Blocker Strict
Strictly block all Flash contents from loading (supports whitelisting)
169 users
Policy Control - JavaScript and Flash blocker
This extension helps you quickly disable and enable different types of resources such as JavaScript, CSS, and Media. The extension can be used to increase privacy as well as saving bandwidth by blocking unwanted contents.
636 users
Flash Player 2022
Play Flash anytime, even in 2022 and beyond, using an emulator. Want to fix "Adobe Flash Player is blocked" messages? This extension will remove those messages and allow you to play Flash in any website with a single click.
40,680 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).
3,945,266 users
Flash Control
Flash control or Flash block firefox extension helps you to block all the Adobe flash player files from any web page you visit.
879 users
Image Video Block
Blocks or Hides visual elements (Images, Video, Flash, Canvas, SVG).
1,204 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.
1,231,472 users
Image Block
Image Block adds a toggle button that conditionally blocks/allows loading of images on webpages. Blocking images results in faster browsing, especially helpful on handheld devices or slower connections.
6,349 users
Flash Player
Flash Player runs and saves any flash file across the web. The Addon allows you to add any flash file into the app's playlist and access them on any website by simply clicking an extension icon.
58,750 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.
33,380 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
7,053 users
BlockTube
YouTube™ Content Blocker Block channels and videos from YouTube™ Fast and easy
19,282 users
Block Site
Easily block websites of your choice!
7,208 users