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Guides, tips and news about QR codes.

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Published on 7/13/2026

QR Codes for Hotels: What Guests Actually Scan

The room directory, the Wi-Fi card and the breakfast times are the three things every guest looks for. Codes work there because the guest is already in the room with a phone in hand — and a language rule can send each guest to their own language from one printed code.

Published on 7/12/2026

QR Codes for Real Estate: The Board Outside Works at 9pm

A code on a For Sale board turns a closed office into a lead — if it is big enough to read from the pavement and points at the listing rather than a form. One code per property is what makes the scan numbers worth reporting.

Published on 7/11/2026

PNG, SVG or PDF: Which File to Download Your QR Code As

One rule covers most of it — vector for print, raster for screens, and never an enlarged PNG. The rest is what to hand a printer, and the two traps that ruin an otherwise perfect file.

Published on 7/10/2026

AI-Generated QR Code Art: Why It Looks Amazing and Won't Scan

The trick is real and the results are genuinely beautiful. The failure is also real, and it is not bad luck: a scanner reads a grid, and the art is competing for the same pixels. Here is what actually breaks, and the one change that buys the most room.

Published on 7/10/2026

How to Scan a QR Code — Including the Ones You Cannot Point a Camera At

On any phone made in the last decade the camera app is the scanner. The useful part is the cases people get stuck on: a code in a screenshot, a code on the screen you are holding, and a code you should not tap.

Published on 7/9/2026

How to Create a QR Code: The Four Decisions That Matter

Generating the pattern takes ten seconds. The four decisions around it — static or dynamic, which type, how big, what it points at — are what determine whether the printed code still works next year.

Published on 7/7/2026

WhatsApp QR Code: The Country Code Is Where It Goes Wrong

A WhatsApp code opens a chat with your number and can even pre-fill the first message. The format is unforgiving about one thing, and it is the same mistake almost everyone makes the first time.

Published on 7/5/2026

QR Code or NFC Tag? An Honest Comparison

One costs nothing to print and can be scanned across a room; the other costs cents per unit and works with a tap. Where each actually wins, and why plenty of objects end up carrying both.

Published on 7/4/2026

Why Won’t My QR Code Scan? The Six Real Causes

Almost every unreadable code fails for one of six reasons, and five of them are decided before you print. How to identify which one in two minutes, and the test that would have caught it.

Published on 7/4/2026

How to Create a QR Code Menu for Your Restaurant

A QR code menu lets guests scan and view your menu on their phone — and update dishes and prices anytime without reprinting. Here's how to set one up.

Published on 7/3/2026

Do QR Codes Expire? What Actually Stops Them Working

The printed pattern has no expiry date. What expires is the link behind it, the plan it sits on, or the company that issued it — here is how to tell which, and how to print a code that outlives all three.

Published on 7/1/2026

One QR Code, Different Destinations: Redirect Rules and A/B Tests

Send iPhone and Android users to different app stores, greet each visitor in their own language, switch a poster from lunch menu to dinner menu at 15:00, and split traffic between two landing pages — all from one printed code.