QR Code Basics

Learn QR code fundamentals — what they are, how they work, types, and essential knowledge for beginners and pros alike.

10 guides

Printed QR code beside an editing cursor, showing when you can and can't edit a QR code

QR Code Basics Jul 14, 2026

Can You Edit a QR Code After Creating It? Here's What You Need to Know

Phone saving contact details after scanning a vCard QR code — illustrating vcard qr code

QR Code Basics Jul 11, 2026

vCard QR Codes: A Better Way to Share Contact Details

Smartphone connecting to WiFi instantly by scanning a QR code — illustrating wifi qr code

QR Code Basics Jul 11, 2026

WiFi QR Codes: How They Work and When to Use Them

QR code staying scannable across passing years, answering whether QR codes expire

QR Code Basics Jul 10, 2026

Do QR Codes Expire? Everything You Need to Know

iPhone, Android, and laptop each showing how to scan a QR code from one poster

QR Code Basics Jul 10, 2026

How to Scan a QR Code on iPhone, Android, and Desktop

QR code vs barcode face-off with capacity and scanner specs for each

QR Code Basics Jul 10, 2026

QR Code vs Barcode: What's the Difference?

Browser address bar turning into a URL QR code that a phone scans to open the website

QR Code Basics Jul 10, 2026

URL QR Codes: What They Are and When to Use Them

Hub diagram of nine types of QR codes from URL and WiFi to calendar and location

QR Code Basics Mar 19, 2026

QR Code Types Explained: URL, WiFi, vCard, Email, SMS, and More

Static vs dynamic QR code face-off, one locked and permanent, one cloud-based and editable

QR Code Basics Mar 18, 2026

Static vs Dynamic QR Codes: Which One Should You Use?

Large QR code under a magnifying glass with data-type icons, introducing what a QR code is

QR Code Basics Mar 16, 2026

What Is a QR Code? The Complete Beginner's Guide