Scan & Generate
QR Code & Barcode Blog
Guides, tutorials, and tips on QR codes, barcodes, and scanning technology — for businesses, developers, and everyday users.
· 8 min read
What is a QR Code? History, Types & How It Works
A complete guide to QR codes — how they store data, the different types, error correction levels, and why they are everywhere today.
QR CodeGuideBeginners
· 7 min read
Types of Barcodes Explained: 1D vs 2D Codes
Learn the difference between 1D barcodes (EAN, UPC, Code 128) and 2D codes (QR, Data Matrix, PDF417) — and when to use each type.
BarcodeEANUPC
· 5 min read
How to Create a WiFi QR Code (Step-by-Step Guide)
Step-by-step instructions for creating a WiFi QR code so guests can connect to your network by scanning — no password typing needed.
WiFiQR CodeHow-to