Featured Add-ons

by Mozilla

146 Add-ons in this Collection

YouTube High Definition by Baris Derin

Rated 5 out of 5 stars 202 reviews

298,870 users

YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 238 reviews

422,833 users

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

YouTube Unblocker by Jaken3rd

Rated 4 out of 5 stars 111 reviews

262,157 users

Watch blocked YouTube videos – YouTube proxy-server, only if needed!

✓ free unblocking of YouTube videos /-search
✓ unblock embedded videos (e.g. Facebook)
✓ unblocking via proxy (no VPN)
✓ fast unblocking + fast streaming (HD)
✓ totally legal

FoxyProxy Standard by Eric H. Jung, groeg, others

Rated 4 out of 5 stars 333 reviews

346,811 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.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,482 reviews

1,024,388 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Quick Translator by igv

Rated 5 out of 5 stars 462 reviews

271,799 users

The most lightweight and easiest translator. Translate between more than 80 languages with one click or a hot key. Translate from one word to a whole page.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 917 reviews

643,197 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

S3.Google Translator by Oleksandr

Rated 5 out of 5 stars 184 reviews

233,550 users

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

BetterPrivacy by IKRG

Rated 5 out of 5 stars 423 reviews

622,786 users

Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...

Latest updates: See bottom link 'version history'!

EPUBReader by epubreader

Rated 5 out of 5 stars 157 reviews

473,443 users

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Video WithOut Flash by TheDrev

Rated 4 out of 5 stars 48 reviews

66,608 users

Watch videos without flash

Download Status Bar by Szalgiris

Rated 5 out of 5 stars 311 reviews

269,688 users

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Bluhell Firewall by Diego Casorran

Rated 5 out of 5 stars 219 reviews

145,356 users

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Speed Dial [FVD] - New Tab Page, Sync... by pos1t1ve

Rated 5 out of 5 stars 1,570 reviews

180,202 users

FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.

FT DeepDark by steva

Rated 5 out of 5 stars 529 reviews

207,583 users

Smooth dark theme for Firefox
> BETA VERSION AVAILABLE HERE <
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