User Experience Kit

by Dhaval Katrodiya

160 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,145 reviews

17,185,566 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 7,602 reviews

4,478,556 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 565 reviews

455,470 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 1,059 reviews

1,112,614 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 1,376 reviews

1,255,410 users

Increase your browsing privacy, protection, and speed.

YouTube Flash Player by Maxime RF

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!

iCloud Bookmarks by Apple Inc.

Rated 2 out of 5 stars 190 reviews

340,925 users

Keep your Firefox bookmarks on Windows up to date with your Safari bookmarks on iPhone, iPad, and Mac with the iCloud Bookmarks extension for Firefox.

S3.Google Translator by Oleksandr

Rated 5 out of 5 stars 359 reviews

373,273 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!

YouTube High Definition by Baris Derin

Rated 5 out of 5 stars 228 reviews

539,191 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 userstyles.org

Rated 4 out of 5 stars 816 reviews

410,723 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.

Web of Trust, MyWOT/WOT: Website Reputation Rating by WOT Services

Rated 4 out of 5 stars 1,318 reviews

481,149 users

Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 551 reviews

204,303 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.

Flagfox by Dave G

Rated 5 out of 5 stars 665 reviews

425,029 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...

BetterPrivacy-signed by IKRG

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

Evernote Web Clipper by Evernote

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