Guides

Everything we know about making a QR code that works on the day and ten years later. Short, specific, no padding.

• QR code not scanning: how to find out why

  Nine causes, from the most common (an expired redirect) to the rarest, with a two-minute test for each.

  7 min read · updated 29 October 2026

• Static vs dynamic QR codes

  The honest version: when a free static code is all you need, and the one situation where a dynamic code earns its price.

  6 min read · updated 29 October 2026

• How big should a QR code be when printed?

  Scanning distance divided by ten, adjusted for how dense the code is. A table you can take to the printer.

  5 min read · updated 29 October 2026

• My QR code expired. Now what?

  The code is fine; the redirect behind it was switched off. What can be rescued, what cannot, and the two ways to stop it recurring.

  5 min read · updated 29 October 2026

• Error correction, and how much of a QR code you can cover

  The budget a logo spends, the parts of the code you can never touch, and the settings that keep a decorated code reliable.

  6 min read · updated 29 October 2026