You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

QR codes have now become a common feature in our daily lives and are appearing on almost everything from product packaging to tickets and restaurant menus. Scanning these codes usually provides quick ...

You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.

Introduction In the modern world of high-speed digitalization, the power of portfolio integration of our gadgets is a ...