In a digital world, half the challenge of getting people to buy from your business is getting visitors to your website.

QR codes allow users to find your website from various sources. With a QR code, you can embed links to your business site on numerous types of both digital and print marketing materials.

If you'd like to add a QR code to your Web site or print one on another product (such as a business card or promotional T-shirt), there are free QR generator sites that will allow you to do this.

QR codes are an interesting tool with a variety of uses. Take a deep dive into how they work, generate a 3D printable version, or build a QR jukebox, if you want to learn more.

WhatsApp web QR code works only with a built-in QR code scanner. Photo credit: Pixabay WhatsApp web no valid QR Code detected: WhatsApp is one of the most popular instant messaging apps and people ...

The design of QR codes also make them well suited to 3D printing, and thanks to a new web-based tool, you can generate your own custom STL in seconds.

QR codes are a great way to share data, but have seen very little adoption. The 9 million users of the most popular QR code scanner for the iPhone scan just 4,000 QR codes per day.