PRACTICAL CODE GUIDES
Understand the
codes you use.
Useful steps for creating, printing, scanning and checking QR codes and retail barcodes.
HOW-TO & EXPLAINERSQR code vs barcode: what’s the difference?Both carry information that a scanner can read, but they store it in different ways and fit different jobs. HOW-TO & EXPLAINERSHow to make a Wi-Fi QR codeA Wi-Fi QR code can save guests from typing network details. Here’s how to create one and share it thoughtfully. HOW-TO & EXPLAINERSHow to scan a QR code from a photoRead a QR code in a screenshot or saved picture, review the decoded text, and choose what to do next. HOW-TO & EXPLAINERSHow to check a QR code safelyA QR pattern does not reveal whether its destination is trustworthy. Preview the result and verify the site before sharing information. HOW-TO & EXPLAINERSStatic vs dynamic QR codes: what changes?The distinction is about what the code stores and who controls the destination—not whether the visible pattern moves. HOW-TO & EXPLAINERSQR code not scanning? Try these checksMost reading problems come down to image quality, distance, contrast, cropping, or content that does not match the intended format. HOW-TO & EXPLAINERSQR code size, contrast and printing guideA QR code has to survive the final print, surface and scanning distance. Keep a clear margin and test a real sample. HOW-TO & EXPLAINERSEAN vs UPC: product barcode differencesEAN and UPC are familiar retail barcode formats associated with different GTIN lengths and common regional usage.