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Guides, tips and news about QR codes.

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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 7/8/2026

QR Code for Instagram: Profile, or All Your Links?

Instagram already gives you a QR code in the app. Here is what it cannot do, when a plain profile link is the right answer, and when you want one code covering every platform instead.

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 7/6/2026

QR Code for a PDF: Where the File Actually Has to Live

A QR code cannot contain a PDF — it can only point at one. Which makes the real question where you host the file, and that is where most printed PDF codes go wrong.

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 7/3/2026

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 7/2/2026

QR Codes for Events: From Save-the-Date to Feedback Form

One printed code can carry an event through its whole life — add-to-calendar before, the live schedule during, a feedback form after — plus what to put on badges, signage and tickets.

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.

Published on 6/30/2026

Google Review QR Codes: Getting More Reviews Without Breaking the Rules

How a review QR code works, how to find your Place ID, where and when to ask, and the two practices that can get your reviews removed or your listing penalised.

Published on 6/29/2026

Branded QR Codes: How Far You Can Push the Design Before It Stops Scanning

Logos, colours, gradients, custom shapes and frames — what a QR code tolerates, what quietly breaks it, and how error correction buys you the room to brand it.

Published on 6/28/2026

QR Codes on Product Packaging: What to Put There and What Not To

Printing QR codes on labels and packaging: what belongs behind the scan, GS1 Digital Link and GTINs, surviving curved surfaces and foil, and why a label you cannot reprint needs a code you can edit.