Extensions by Weekly Downloads

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Adblock Plus No Restart

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,824)
922,224 weekly downloads

uBlock Origin No Restart Featured

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (569)
130,125 weekly downloads

Flash Video Downloader - YouTube HD Download [4K]

Flash Video Downloader helps you download any video (flv, mp4, HD) from YouTube, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download.

Rated 4 out of 5 stars (657)
115,230 weekly downloads

Ghostery No Restart Featured

Increase your browsing privacy, protection, and speed.

Rated 5 out of 5 stars (1,278)
59,702 weekly downloads

AdBlocker Ultimate No Restart

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (242)
57,910 weekly downloads

LastPass Password Manager Featured

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Rated 4 out of 5 stars (1,356)
55,049 weekly downloads

AdBlock for YouTube™ No Restart

AdBlock for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (31)
31,294 weekly downloads

Adguard AdBlocker No Restart

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

Rated 5 out of 5 stars (200)
30,070 weekly downloads

YouTube Right-Click Downloader No Restart

Using right-click to download YouTube Videos

Rated 2 out of 5 stars (3)
28,116 weekly downloads

Hoxx VPN Proxy No Restart

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.

Rated 5 out of 5 stars (722)
23,546 weekly downloads

HTTPS Everywhere

Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

Rated 4 out of 5 stars (98)
22,887 weekly downloads

Stylish Featured

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (818)
22,667 weekly downloads

Youtube Downloader 4K - Video Downloader

Download from YouTube 4K videos and thousands other video websites.

Rated 4 out of 5 stars (23)
21,108 weekly downloads

Yahoo Homepage No Restart

This extension automatically sets Yahoo.com as your homepage and new tab page.

Rated 1 out of 5 stars (2)
20,486 weekly downloads

Simple YouTube to MP3/MP4 Converter and Downloader No Restart

Download youtube videos as mp3/mp4/ogg/webm fast and easy! Adding mirrors everyday to decrease any downtime! We monitor comments and work to fix any problems as soon as possible!

Rated 5 out of 5 stars (33)
19,640 weekly downloads

SaveFrom.net helper all-in-1 / youtube downloader No Restart

SaveFrom.net helper will enable you to download files from YouTube.com, FaceBook.com, Vimeo.com, Daylimotion.com, VK.com, Odnoklassnoki.ru, Soundcloud.com and more than 40 other just in one click.

Rated 4 out of 5 stars (230)
15,900 weekly downloads

Ad-Aware Ad Block No Restart

Ad-Aware Ad Block improves your browser’s speed and protects your privacy by blocking ads and trackers. It also improves online security by blocking malicious URLs and establishing the most secure connection available.

Rated 3 out of 5 stars (12)
14,681 weekly downloads

Self-Destructing Cookies No Restart

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (512)
11,426 weekly downloads

Disable WebRTC No Restart

WebRTC leaks your actual IP addresses from behind your VPN, by default.

Rated 5 out of 5 stars (29)
9,518 weekly downloads

Decentraleyes No Restart Featured

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (57)
9,234 weekly downloads