Extensions by Weekly Downloads

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YouTube™ Video and Audio Downloader

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 (402)
50,380 weekly downloads

Greasemonkey Requires Restart Featured

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Rated 4 out of 5 stars (1,059)
48,425 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 (1,462)
45,536 weekly downloads

iMacros for Firefox Featured

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (471)
45,338 weekly downloads

1-Click YouTube Video Download Requires Restart

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

Rated 4 out of 5 stars (512)
44,720 weekly downloads

Ghostery Compatible with Firefox 57+ Featured

Increase your browsing privacy, protection, and speed.

Rated 5 out of 5 stars (1,376)
42,046 weekly downloads

Download Flash and Video Requires Restart

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 (390)
39,264 weekly downloads

Ant Video Downloader Requires Restart

It has never been simplier to download videos from Youtube, Dailymotion and from most of the video streaming site.
Just play the video, click on the toolbar, download and play it immediately in our integrated video player.

Rated 4 out of 5 stars (517)
37,028 weekly downloads

AdBlocker Ultimate Featured

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 (1,581)
33,907 weekly downloads

Google Translator for Firefox Requires Restart

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

Rated 4 out of 5 stars (377)
31,427 weekly downloads

YouTube Flash Player

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 (78)
31,112 weekly downloads

Dolus

Hide your IP from websites with spoofed X-Forwarded-For headers.

Rated 4 out of 5 stars (13)
29,379 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 (1,103)
27,422 weekly downloads

HTTPS Everywhere Requires Restart Featured

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 (165)
27,151 weekly downloads

Reverse Image Search Compatible with Firefox 57+ Featured

Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.

Rated 4 out of 5 stars (9)
26,657 weekly downloads

FlashGot Mass Downloader Requires Restart

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (532)
25,179 weekly downloads

iCloud Bookmarks

Keep your Firefox bookmarks on Windows up to date with your Safari bookmarks on iPhone, iPad, and Mac with the iCloud Bookmarks extension for Firefox.

Rated 2 out of 5 stars (190)
25,091 weekly downloads

Video Downloader professional

- 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 (751)
24,774 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 (327)
24,375 weekly downloads

Emoji Keyboard Compatible with Firefox 57+ Featured

A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.

Rated 4 out of 5 stars (67)
23,935 weekly downloads