My Favorite Add-ons

by Osos Star

58 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,989 reviews

23,439,654 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 5 out of 5 stars 1,799 reviews

2,704,207 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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 964 reviews

1,363,522 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 5 out of 5 stars 1,626 reviews

1,483,902 users

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

Adblock Plus Pop-up Addon by Jesse Hakanen

Rated 5 out of 5 stars 182 reviews

1,328,965 users

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,249 reviews

835,269 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 251 reviews

403,723 users

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

Element Hiding Helper for Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 451 reviews

825,562 users

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

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 346 reviews

328,967 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.

Flagfox by Dave G

Rated 5 out of 5 stars 636 reviews

655,173 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...

Classic Theme Restorer by Aris

Rated 5 out of 5 stars 1,005 reviews

482,018 users

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

All builds & changelogs on versions page!

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,250 reviews

467,168 users

Direct access to your most visited websites helper all-in-1 / youtube downloader by savefrom

Download Now


Rated 4 out of 5 stars 200 reviews

187,731 users helper will enable you to download files from,,,,,, and more than 40 other just in one click.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,527 reviews

342,300 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!

ReloadEvery by Jaap Haitsma

Rated 4 out of 5 stars 677 reviews

184,627 users

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)
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