Extensions by Weekly Downloads

Subscribe

Adblock Plus

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 (5,330)
577,614 weekly downloads

uBlock Origin Featured

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

Rated 5 out of 5 stars (1,728)
416,686 weekly downloads

Cisco WebEx Extension Compatible with Firefox 57+

Join WebEx meetings using Firefox ™

Rated 3 out of 5 stars (52)
124,156 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 (2,084)
70,847 weekly downloads

Hoxx VPN Proxy

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

Rated 5 out of 5 stars (2,352)
66,796 weekly downloads

Bulk Media Downloader Compatible with Firefox 57+

Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)

Rated 4 out of 5 stars (107)
61,637 weekly downloads

AdBlock for Firefox Compatible with Firefox 57+

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.

Rated 4 out of 5 stars (96)
61,390 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 (1,843)
56,909 weekly downloads

Awesome Screenshot Plus - Capture, Annotate & More Compatible with Firefox 57+

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Rated 4 out of 5 stars (1,491)
47,764 weekly downloads

AdBlocker Ultimate

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 (1,777)
35,760 weekly downloads

HTTPS Everywhere Requires Restart

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 (180)
26,122 weekly downloads

Easy Youtube Video Downloader Express Compatible with Firefox 57+

"Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.

Rated 4 out of 5 stars (1,169)
23,278 weekly downloads

Adguard AdBlocker

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

Rated 5 out of 5 stars (350)
22,312 weekly downloads

Yahoo Homepage

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

Rated 3 out of 5 stars (67)
16,891 weekly downloads

AdBlocker for YouTube™ Compatible with Firefox 57+

AdBlocker for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (65)
16,062 weekly downloads

Stylish Requires Restart 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 (827)
15,607 weekly downloads

VPN Unlimited - Private & Secure Web Proxy

Protect your privacy and get unlimited access to your favorite websites worldwide with VPN Unlimited!

Join millions of users who trust VPN Unlimited to keep their data private and secure.

Rated 4 out of 5 stars (141)
14,920 weekly downloads

Disable WebRTC

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

Rated 4 out of 5 stars (69)
12,022 weekly downloads

Youtube Downloader 4K - Video Downloader Requires Restart

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

Rated 4 out of 5 stars (534)
11,746 weekly downloads

Open in VLC media player Compatible with Firefox 57+

Adds a context menu item to send audio/video streams directly to VLC media player

Rated 4 out of 5 stars (50)
11,557 weekly downloads