User Experience Kit

by Dhaval Katrodiya

165 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,812 reviews

20,211,020 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).

Video DownloadHelper by mig

Rated 4 out of 5 stars 6,513 reviews

4,365,310 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

anonymoX by anonymoX GmbH

Rated 3 out of 5 stars 273 reviews

540,089 users

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 986 reviews

1,281,267 users

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

Ghostery by Ghostery

Rated 5 out of 5 stars 1,271 reviews

1,438,107 users

Enjoy a faster, safer and cleaner browsing experience.

YouTube Flash Player by Maxime RF

Rated 5 out of 5 stars 63 reviews

396,133 users

A very lightweight add-on that allows you to watch YouTube™ videos using Flash® Player instead of the default HTML5 player. The Flash® Player will consume less material resources (CPU, RAM) if your PC doesn't easily support HTML5 videos. Try it!

Web of Trust, WOT: Website Reputation Ratings by WOT Services

Rated 4 out of 5 stars 1,395 reviews

919,782 users

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
• Green – The site is trusted
• Yellow – Be cautious
• Red – Online threats detected

YouTube High Definition by Baris Derin

Rated 5 out of 5 stars 227 reviews

280,766 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.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 814 reviews

472,721 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

S3.Google Translator by Oleksandr

Rated 5 out of 5 stars 334 reviews

364,411 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!

Multifox by jhultmann

Rated 4 out of 5 stars 93 reviews

72,028 users

An extension that allows Firefox to connect to websites using different user names. Simultaneously.

*** Multifox 2 users: try the "Window Mode" (Addons - Multifox - Options) ***

Flagfox by Dave G

Rated 5 out of 5 stars 652 reviews

515,502 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...

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 899 reviews

382,609 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

ProxTube - Unblock YouTube by Malte Götz, ProxTube

Rated 4 out of 5 stars 224 reviews

306,850 users

In some countries YouTube videos are blocked! Unblock them with this Addon.
Supported countries: Germany, Netherlands, Spain, ...? not US compatible
Status+Support: proxtube.com & Twitter: twitter.com/ProxTube (EN/DE)

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 492 reviews

190,217 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.
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