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42 Add-ons in this Collection

Video DownloadHelper by mig

Rated 4 out of 5 stars 8,027 reviews

4,672,213 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 1,851 reviews

1,195,528 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,648 reviews

2,186,774 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 549 reviews

727,043 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 262 reviews

422,773 users

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

Flagfox by Dave G

Rated 5 out of 5 stars 686 reviews

460,031 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 2,611 reviews

277,744 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 919 reviews

247,962 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 435 reviews

52,206 users

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

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 398 reviews

68,582 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 533 reviews

11,554 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...

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 128 reviews

110,561 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 666 reviews

70,154 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 89 reviews

200,980 users

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

View Cookies by Edwin Martin

Rated 4 out of 5 stars 47 reviews

25,815 users

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