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 are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

QR codes have become an essential tool for accessing digital content quickly and efficiently. They provide a seamless way to connect to websites, make payments, download apps, and much more. With your ...

Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes ...

However easy it is to digitally sign important documents, sometimes that won't suffice. When you just have to put your signature on a physical document and digitally upload it, and you don't have a ...