Extensions by Weekly Downloads

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HTTPS Everywhere 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 (81)
11,304 weekly downloads

Google Translate, ImTranslator, Dictionary, TTS Featured

COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX
ImTranslator translates text, words, webpages between more than 90 languages.
NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

Rated 4 out of 5 stars (444)
10,827 weekly downloads

NetVideoHunter

This add-on is a downloader that lets you easily download videos from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...

Rated 4 out of 5 stars (385)
10,735 weekly downloads

User-Agent Switcher No Restart Featured

Quickly and easily switch between popular user-agent strings.

Rated 4 out of 5 stars (26)
10,709 weekly downloads

Web of Trust, WOT: Website Reputation Ratings Featured

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
• Green – The site is trusted
• Yellow – Be cautious
• Red – Online threats detected

Rated 4 out of 5 stars (1,334)
10,094 weekly downloads

Youtube Downloader 4K - Video Downloader

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

Rated 4 out of 5 stars (23)
9,706 weekly downloads

Youtube and more – Easy Video Downloader No Restart

Download and save videos playing on a website like youtube to your hard disk

Rated 4 out of 5 stars (461)
9,697 weekly downloads

Element Hiding Helper for Adblock Plus No Restart

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (449)
9,696 weekly downloads

Le Buzz No Restart

Lors de votre navigation sur les sites marchands, l'extension Le Buzz - Offres Shopping vous fera faire des économies, en affichant automatiquement les codes promos disponibles et les produits similaires.

Rated 1 out of 5 stars (1)
9,636 weekly downloads

Google Translator for Firefox Featured

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 (340)
9,531 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 4 out of 5 stars (33)
8,905 weekly downloads

VKontakte.ru Downloader (music/videos/photos @ VK)

Download music, videos and photos from VK.com / vkontakte.ru. One-click download, natural filenames, displaying file size and bitrate for music, downloading HD video, downloading HQ photos. No spam, no usage of your account, no spyware.

Rated 5 out of 5 stars (478)
8,143 weekly downloads

S3.Google Translator Featured

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

Rated 5 out of 5 stars (347)
8,126 weekly downloads

Multifox No Restart Featured

An extension that allows Firefox to connect to websites using different user names. Simultaneously.

*** Multifox 2 users: try the "Window Mode" (Addons - Multifox - Options) ***

Rated 4 out of 5 stars (94)
8,041 weekly downloads

DotVPN — better than VPN. No Restart

Free and Secure VPN. Traffic encrypting. IP address change in different countries.

Rated 3 out of 5 stars (13)
7,874 weekly downloads

Youtube Mp3 Downloader No Restart

Youtube Mp3 Downloader is one of the fastest and safe services for downloading and conveting files from the popular video hosting link to mp3.

Rated 4 out of 5 stars (51)
7,825 weekly downloads

User Agent Switcher Featured

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Rated 4 out of 5 stars (263)
7,747 weekly downloads

Tab Mix Plus Featured

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Rated 4 out of 5 stars (2,599)
7,567 weekly downloads

ReloadEvery

Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)

Rated 4 out of 5 stars (710)
7,434 weekly downloads

FirePath

FirePath is a Firebug extension that adds a development tool to edit, inspect and generate XPath 1.0 expressions, CSS 3 selectors and JQuery selectors (Sizzle selector engine).

Rated 4 out of 5 stars (22)
7,105 weekly downloads