Getting Comfortable With The Basics

How the Heck Do QR Codes Work, Anyway?

Published August 8, 2025 | By Glenn

How the Heck Do QR Codes Work, Anyway? – howtogeek.com
QR codes are pixelated black and white squares that perform magic when we point the cameras on our phones at them—but what’s going on that makes this little spell possible?

Posted in How it works