Firefox add-on with keyword - block

Keywords are the words and phrases that users enter into Firefox Browser Add-ons to search to discover a Firefox add-on. High ranking keywords will generate higher impressions. Paid members can use our add keyword form to add more keywords to be tracked.

#1 Block Site

Ray

A customizable, password-protected website blocker and redirector.

76,302

3.92 (481)

#2 uBlock Origin

Raymond Hill

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

9,511,872

4.80 (19,768)

#3 LeechBlock NG

James Anderson

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.

115,365

4.80 (1,718)

#4 AdGuard AdBlocker

Adguard Software Ltd

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

1,396,288

4.66 (6,269)

#5 Ghostery – Privacy Ad Blocker

Ghostery

The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.

1,067,995

4.32 (4,493)

#6 Popup Blocker (strict)

Jeremy Schomery

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

76,111

4.18 (499)

#7 CanvasBlocker

kkapsner

Alters some JS APIs to prevent fingerprinting.

29,486

4.61 (428)

#8 Webmail Ad Blocker

Jason Savard

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.

30,775

4.41 (245)

#9 AdBlocker for YouTube™

AdblockLite

Remove all annoying ads from YouTube.

589,408

3.97 (1,226)

#10 SponsorBlock - Skip Sponsorships on YouTube

Ajay (SponsorBlock)

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

609,401

4.81 (2,716)

#11 Tomato Clock

Samuel Jun

Tomato Clock is a simple browser extension that helps with online time management.

35,422

4.54 (403)

#12 Privacy Badger

EFF Technologists

Automatically learns to block invisible trackers.

1,867,059

4.80 (2,658)

#13 FoxClocks

Andy McDonald

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.

11,800

4.34 (296)

#14 Adblock Plus

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).

3,554,176

4.41 (11,080)

#15 Block Site

Allen

Easily block websites of your choice!

6,040

3.77 (164)

#16 Image Block

Hemant Vats

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.

5,911

3.84 (61)

#17 AdBlock for Firefox

AdBlock

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.

1,344,231

4.25 (3,409)

#18 AdBlocker Ultimate

AdAvoid

Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

1,702,600

4.78 (26,046)

#19 BlockTube

amitbl

YouTube™ Content Blocker Block channels and videos from YouTube™ Fast and easy

24,992

4.04 (423)

#20 BlockSite

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.

33,374

3.70 (1,239)

#21 Youtube-shorts block

itachi_doma

Play the Youtube shorts video as if it were a normal video. and hide "shorts"tab and videos (optional).

49,165

4.60 (234)

#22 DuckDuckGo Privacy Essentials

DuckDuckGo

Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.

1,396,920

4.35 (2,266)

#23 minerBlock

xd4rker

Blocks cryptocurrency miners all over the web.

11,624

4.54 (68)

#24 Blue Blocker

Liquid Nitrogen

Blocks all Twitter Blue verified users on twitter.com

8,468

4.18 (131)

#25 Image Block X

Christian Kuhl

Image Block X gives you a simple button to change whether or not to load images. Click it once to stop Firefox from loading images, and click it again to allow images again. It's that simple!

1,581

4.29 (87)