How Do QR Codes Work?

QR codes are like tiny treasure maps made of squares. When you scan them, your phone reads the pattern and turns it into a message or website link. Imagine if each square was a letter in a secret code, and your phone could read all of them at once to find out what they say.

Take the quiz →

Examples

QR codes on restaurant menus let you scan them for more info about each dish.
A QR code on a billboard can take you directly to a website with just one scan.
You can even use a QR code to send messages or links to friends quickly through your phone.

Ask a question

Discussion

Recent activity

Categories: Technology · QR codes· technology· coding· data storage