User Experience Kit

by Dhaval Katrodiya

160 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,057 reviews

18,431,046 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 8,062 reviews

4,642,642 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 383 reviews

480,454 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

YouTube High Definition by Baris Derin

Rated 5 out of 5 stars 244 reviews

645,507 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.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,037 reviews

1,151,156 users

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

Ghostery by Ghostery

Rated 4 out of 5 stars 1,398 reviews

1,330,425 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!

S3.Google Translator by Oleksandr

Rated 5 out of 5 stars 421 reviews

382,962 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!

Stylish by userstyles.org

Rated 4 out of 5 stars 882 reviews

425,728 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.

iCloud Bookmarks by Apple Inc.

Rated 2 out of 5 stars 195 reviews

342,722 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.

Flagfox by Dave G

Rated 5 out of 5 stars 686 reviews

453,611 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...

Self-Destructing Cookies by Ove

Rated 4 out of 5 stars 597 reviews

216,629 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.

Evernote Web Clipper by Evernote

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

Cookies Manager+ by V@no

Rated 5 out of 5 stars 70 reviews

107,885 users

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.
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