Firefox Power User Addons

by piker

42 Add-ons in this Collection

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,609 reviews

2,221,378 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.

Ghostery by Ghostery

Rated 5 out of 5 stars 1,341 reviews

1,441,668 users

Increase your browsing privacy, protection, and speed.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 537 reviews

800,853 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.

Stylish by userstyles.org

Rated 4 out of 5 stars 857 reviews

461,904 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 265 reviews

339,235 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 252 reviews

484,412 users

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

Disconnect by Disconnect

Rated 4 out of 5 stars 201 reviews

293,515 users

Make the web faster, more private, and more secure.

Flagfox by Dave G

Rated 5 out of 5 stars 673 reviews

502,831 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...

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 60 reviews

204,697 users

Manage any SQLite database on your computer.

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 546 reviews

200,821 users

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,222 reviews

541,792 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 172 reviews

147,982 users

View HTTP headers of a page and while browsing.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 170 reviews

88,580 users

An HTTP analyzer addon for Firefox

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Rated 4 out of 5 stars 322 reviews

167,264 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Status-4-Evar by Sparky Bluefang

Rated 5 out of 5 stars 556 reviews

143,535 users

Status bar widgets and progress indicators for Firefox 4+
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