Only the best

by Brian

49 Add-ons in this Collection

Adblock Plus by Wladimir Palant, Eyeo

Rated 5 out of 5 stars 6,210 reviews

14,632,286 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).

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

Rated 4 out of 5 stars 3,299 reviews

753,652 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 by Ghostery

Rated 4 out of 5 stars 1,787 reviews

1,038,790 users

Increase your browsing privacy, protection, and speed.

Greasemonkey by Anthony Lieuallen

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

Easy Youtube Video Downloader Express by Dishita

Rated 4 out of 5 stars 1,581 reviews

299,829 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.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,094 reviews

960,011 users

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

Web Developer by chrispederick

Rated 4 out of 5 stars 350 reviews

310,086 users

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

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,695 reviews

597,496 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.

Classic Theme Restorer (Fx29-56) by Aris

Rated 5 out of 5 stars 1,228 reviews

328,829 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

ZenMate Security & Privacy VPN by ZenMate

Rated 3 out of 5 stars 384 reviews

130,803 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/

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,387 reviews

232,258 users

Direct access to your most visited websites

Password Exporter by Justin Scott (fligtar), Jorge Villalobos

Rated 4 out of 5 stars 429 reviews

183,967 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.

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 634 reviews

165,773 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.

Click&Clean by Vlad & Serge Strukoff

Rated 5 out of 5 stars 120 reviews

74,341 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.

Empty Cache Button by mvm

Rated 4 out of 5 stars 118 reviews

50,304 users

Cache clearing made easy. One click.
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