Within seconds, a custom QR code incorporating your Wi-Fi’s SSID and password will appear. You then have the option to save it in HTML5 localStorage, export it as a picture, or print it out.

QR codes, the square bar codes that can be scanned and read by smartphones, are seemingly used everywhere: to board flights, enter concerts and look at restaurant menus. But scammers trying to ...

Sharat Potharaju is cofounder and CEO of Uniqode, whose vision is to enable digital connection with every physical object and place. QR codes drive 37% click-through rates, while email campaigns ...