uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
5,402,627 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,695,197 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,066,341 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
763,355 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
646,995 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
321,906 users
AdNauseam
Blocking ads and fighting back against advertising surveillance.
38,797 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.
26,953 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.
966,080 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience.Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
552,034 users
Popup Blocker Ultimate
Best Popup Blocker for Firefox. (Best in Rating, Performance, This addon does NOT track user activities same as others)If your Firefox version is not 57+ please install version 8.1 from Official website.
59,258 users
Twitch Adblock
Blocks Ads on Twitch.tv.
32,463 users
Norton AntiTrack
Feel like you have little to no control over what information the sites you visit collect and share? Norton AntiTrack* for Windows can help. * Norton AntiTrack is only available on Windows PCs and always requires the Windows disclaimer.
22,829 users
Turbo Ad Blocker
Turbo ad blocker blocks all annoying ads on video hosting sites such as Youtube, Vimeo, DailyMotion and others. The extension speeds up websites loading and blocks third-party tracking.
18,922 users
Smart Blocker
Smart Blocker is a new generation ad blocker that allows you to watch videos on your favourite websites without ads for free!
16,869 users
FastForward
Don't waste time with compliance. Use FastForward to skip annoying URL "shorteners".
10,592 users
Free VPN Proxy fast and secure - Planet VPN
Unblock access to any website with our free VPN proxy Mozilla extension - Planet VPN
9,248 users
Ad Blocker for Facebook™
Remove unwanted contents on the Facebook website, including sponsored posts and recommended pages/groups. Supports both desktop and mobile Firefox.
5,383 users
VPN Unlimited Proxy - Best VPN browser extension
VPN Unlimited - reliable, easy-to-use, and lightning-fast VPN extension for Firefox browser
4,614 users
Popupblocker
Popupblocker can block every popup. Many websites open new windows with ads, when you try to mark text or click something. This add-on will block these and show a really small notification.
2,521 users
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2,432 users
KellyC Show YouTube Dislikes
Show dislikes on Youtube ** Extension can be disabled after update \ install by default - check it is enabled - then restart browser if not work **
2,141 users
Circle reader
The best free reading assistant (reader mode) that enhances the web page reading experience. Ads are too distracting, the colors are too ugly, the fonts are too small to see clearly, the typography is too messy to find the text, does it really need
1,832 users
Element Blocker
Block popups, banners, notification bars, and more from appearing on any website.
1,628 users
You.com | The Search Engine You Control
Sets Firefox's default search engine to You.com
1,578 users