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42 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 6,515 reviews

4,365,310 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,737 reviews

1,274,061 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,574 reviews

2,108,871 users

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.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 531 reviews

834,351 users

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.

Web Developer by chrispederick

Rated 5 out of 5 stars 231 reviews

482,481 users

The Web Developer extension adds various web developer tools to the browser.

Flagfox by Dave G

Rated 5 out of 5 stars 652 reviews

515,502 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,556 reviews

330,212 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Personas Plus by Mozilla

Rated 3 out of 5 stars 966 reviews

306,078 users

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 426 reviews

64,769 users

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 126 reviews

131,596 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 637 reviews

78,297 users

Make any pages' search functionality available in the Search Bar (or "search box")...

Quick Locale Switcher by ppclick

Rated 3 out of 5 stars 87 reviews

139,768 users

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 392 reviews

80,588 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

TV-FOX - Watch TV Online by TV-FOX

Rated 4 out of 5 stars 529 reviews

14,549 users

TV Add-on for Firefox - Watch TV directly from your Firefox Browser, 2780 Live TV Channels sorted by country & category, the TV-FOX allow you to watch thousands of TV channels freely available on the internet. powered by the biggest and most up t...

View Cookies by Edwin Martin

Rated 4 out of 5 stars 43 reviews

25,904 users

It adds a tab to the Page Info dialog box, which shows the cookies belonging to the current page.
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