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Practical guides for QR codes — how they work, when to use static vs dynamic, sizing for print, logo embedding, error correction, and more.
How to Add a Logo to a QR Code
Adding a logo to a QR code is easy. Keeping it scannable takes care. The guide — logo size, error correction, contrast, and what to test before printing.
Read articleWhat Size Should I Print My QR Code?
How big should you print a QR code? Rule of thumb: 1 cm of QR width per 10 cm of scanning distance. Practical sizes for cards, posters, signs, and billboards.
Read articleQR Error Correction Levels — What L, M, Q, H Actually Mean
QR codes have four error correction levels: L (7%), M (15%), Q (25%), H (30%). What each means, when to use each, and why it matters for printed QRs.
Read articleDo QR Codes Expire?
Static QR codes never expire — they work as long as the encoded content exists. Dynamic codes work while the redirect is enabled. The actual lifespan picture.
Read articleHow to Make a WiFi QR Code
Create a WiFi QR code in under a minute. Step-by-step guide covering WPA2, hidden SSIDs, printing, and password rotation.
Read articleStatic vs Dynamic QR Codes — Which Should You Use?
Static QR codes bake the destination into the image; dynamic codes redirect through an editable short link. The actual difference, and when each fits.
Read articleHow Do QR Codes Work?
A QR code is a two-dimensional barcode encoding data into a grid of black and white modules. The mechanism — encoding, error correction, finder patterns.
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