Extensions by Weekly Downloads

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Adblock Plus No Restart Featured

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 (4,822)
562,932 weekly downloads

Video DownloadHelper No Restart

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Rated 4 out of 5 stars (6,630)
96,852 weekly downloads

anonymoX No Restart

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

Rated 3 out of 5 stars (278)
81,904 weekly downloads

Easy Screenshot

Capture a screenshot of the whole webpage, and save in your desktop in default.

Rated 4 out of 5 stars (94)
60,814 weekly downloads

Firebug No Restart Featured

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Rated 5 out of 5 stars (1,829)
55,638 weekly downloads

uBlock Origin No Restart Featured

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

Rated 5 out of 5 stars (550)
52,096 weekly downloads

Download YouTube Videos as MP4 No Restart Featured

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

Rated 4 out of 5 stars (411)
43,865 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 (639)
43,556 weekly downloads

LastPass Password Manager

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 (1,352)
40,432 weekly downloads

1-Click YouTube Video Download

The simplest YouTube Video Downloader for all YouTube Flash sites, period.

Rated 4 out of 5 stars (529)
39,960 weekly downloads

YouTube Video and Audio Downloader No Restart

Downloads YouTube videos in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice. It also contains a pure JavaScript library to extract the ORIGINAL audio file embedded in video files.

Rated 4 out of 5 stars (329)
33,844 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 (219)
33,781 weekly downloads

Browsec VPN No Restart

Encrypts traffic and unlocks sites.

Facebook closed by an overzealous sysadmin? Browsec to the rescue!

Browsec encrypts your traffic and routes it through our secure cloud. No one will be able to identify, track you or sniff your traffic.

Rated 4 out of 5 stars (77)
32,796 weekly downloads

Download Flash and Video

Download Flash and Video is a great download helper tool that lets you download Flash games and Flash videos (YouTube, Facebook, Dailymotion, Google Videos and more) with a single click.
The downloader is very easy to use.

Rated 4 out of 5 stars (369)
30,138 weekly downloads

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (1,755)
29,929 weekly downloads

ZenMate Security & Privacy VPN No Restart

Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.

Rated 4 out of 5 stars (187)
29,101 weekly downloads

YouTube Flash Player No Restart

A very lightweight add-on that allows you to watch YouTube™ videos using Flash® Player instead of the default HTML5 player. The Flash® Player will consume less material resources (CPU, RAM) if your PC doesn't easily support HTML5 videos. Try it!

Rated 5 out of 5 stars (66)
27,060 weekly downloads

NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,580)
26,942 weekly downloads

AdBlock for YouTube™ No Restart Featured

AdBlock for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (32)
22,991 weekly downloads

Video Downloader professional No Restart

- download and save videos embedded into a website to your hard disk
- add youtube, vimeo and other videos easily to your video list
- supports up to 4k videos

Rated 4 out of 5 stars (636)
21,950 weekly downloads