My Favorite Add-ons

by Osos Star

54 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,832 reviews

14,257,507 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,264 reviews

475,798 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 2,507 reviews

661,431 users

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,884 reviews

942,342 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,233 reviews

874,176 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,621 reviews

177,527 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!

FoxyProxy Standard by Eric H. Jung

Rated 4 out of 5 stars 463 reviews

184,234 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 279 reviews

216,267 users

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

Classic Theme Restorer by Aris

Rated 5 out of 5 stars 1,128 reviews

324,304 users

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29-56 (Windows / MacOSX / Linux).

Release builds
Beta builds

Flagfox by Dave G

Rated 5 out of 5 stars 698 reviews

334,997 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...

SaveFrom.net helper all-in-1 / youtube downloader by savefrom

Download Now

Experimental

Rated 4 out of 5 stars 783 reviews

110,398 users

SaveFrom.net helper will enable you to download files from YouTube.com, FaceBook.com, Vimeo.com, Daylimotion.com, VK.com, Odnoklassnoki.ru, Soundcloud.com and more than 40 other just in one click.

Best Proxy Switcher by Proxy-List.org

Rated 5 out of 5 stars 103 reviews

20,003 users

Best Proxy Switcher was developed by the team, who provides proxy service since 2004 year. You can use Best Proxy Switcher with your own proxy or let it download most recently checked list from our web site automatically!

Element Hiding Helper for Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 439 reviews

345,893 users

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

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,257 reviews

225,336 users

Direct access to your most visited websites

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 405 reviews

177,412 users

This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.
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