Only the best

by Brian

48 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 6,888 reviews

13,271,163 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).

Easy Youtube Video Downloader Express by Dishita

Rated 4 out of 5 stars 1,891 reviews

351,455 users

WORKS WITH NEW YOUTUBE LAYOUT, "Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.

Flash Video Downloader - YouTube HD Download [4K] by FVD Media

Rated 4 out of 5 stars 3,993 reviews

730,249 users

★ Most popular and ONLY ★ Video Downloader that downloads most of the Streaming Videos, YouTube 4K and Full HD. Flash Video Downloader helps you to download any video from YouTube, Facebook, etc. You can download mp3, music and more.

Ghostery – Privacy Ad Blocker by Ghostery

Rated 5 out of 5 stars 1,968 reviews

1,047,430 users

Ghostery is a powerful privacy extension.

Block ads, stop trackers and speed up websites.

Greasemonkey by Anthony Lieuallen

Rated 4 out of 5 stars 1,523 reviews

723,484 users

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

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,585 reviews

752,186 users

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

Web Developer by chrispederick

Rated 4 out of 5 stars 447 reviews

286,799 users

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

ZenMate Security & Privacy VPN by ZenMate

Rated 3 out of 5 stars 404 reviews

89,902 users

Please note that this add-on has been replaced with a complete WebExtensions powered rewrite to be compatible with Firefox 57.0 and above. Download the new ZenMate for Firefox here: https://addons.mozilla.org/en-US/firefox/addon/zenmate-vpn/

Classic Theme Restorer (Fx29-56) by Aris

Rated 5 out of 5 stars 1,293 reviews

266,628 users

Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+!

Release builds
Beta builds

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,948 reviews

483,983 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.

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 512 reviews

159,230 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.

Empty Cache Button by mvm

Rated 4 out of 5 stars 124 reviews

50,184 users

Cache clearing made easy. One click.

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,495 reviews

174,186 users

Direct access to your most visited websites

Click&Clean by Vlad & Serge Strukoff

Rated 5 out of 5 stars 123 reviews

47,187 users

The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.

YouTube ALL HTML5 by Klemens Schölhorn

Rated 4 out of 5 stars 169 reviews

74,690 users

Play all videos on YouTube with your preferred settings (size, quality, playback rate, …) without cookies using only HTML5.
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