Francesco De Stefano

Get image info for images, including EXIF data

Explore and test your website

Device detection (phone, tablet, desktop, mobile, grade, os, versions)

Simple interface for advertising blocking via the webRequest API.

Data table HTML5 filereader web api interface with MD5/checksum

Add a repeat/loop button to loop every YouTube videos you watch.

a basic add-on to show all your passwords in web pages

Add-on, by Mediamaster.eu, to easily add annotation functionality to any webpage

Clear your cache and browsing data with a single click of a button.

Quick Find features. Search results in one location. Navigate to links in just a few keystrokes.

A small extension to validate the markup of current webpage

This extension attempts to detect PunyCode domain phishing attack (Alpha release)

Detect web framework and javascript libraries run on browsing website.

Your quick QR Code generator

It adds a simple toggle fullscreen button in toolbar and in context menu

Reader of RSS feeds

Copy web content as plain text using context menu

Outline tool

Save selected text as txt and pdf format using context menu

Preview documents, videos, music and more before you download them.

It uses a database of IP addresses, provided from geoip.nekudo.com, that are associated to cities and to other informations

Display and set your browser width. Excellent for responsive web design and testing media queries. Includes keyboard shortcuts!

Hide html element to Print what you want in web page

Get accurate performance timing for any page with this WebExtension

Add-on provides useful methods to inspect AngularJS webapps and provide useful performance metrics.