Use the +61 format so the code also works on phones from overseas.
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Scan it with your phone before you print it.
Show exactly what the code contains
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QR codes that don’t expire
Many QR code websites make “dynamic” codes: the code holds a short link to their server, which forwards people to your page. That lets them count scans, but if the subscription lapses or the company closes, every printed code stops working. The codes made here are static: your web address, Wi-Fi details or contact card are stored in the pattern itself, so they keep working for as long as the thing they point to exists, and nobody sits in the middle watching who scans them.
The trade-off is that a static code can’t be changed once printed. For anything you print in bulk, point the code at an address on your own website, such as example.com.au/menu. If the menu moves, you change where that address goes, and the printed codes keep working.
Printing tips
- Size: about 2.5 cm square is a sensible minimum for a code someone holds in their hand. As a rough guide, people can scan from about ten times the code’s width, so a poster read from 3 metres needs a code around 30 cm wide.
- Keep it short: the more the code holds, the finer the pattern. A short web address makes a chunkier code that scans more easily from further away.
- Contrast: dark code on a light background. Many phone cameras can’t read light-on-dark codes, and pale colours fail in poor light.
- Leave the margin: the blank border is part of the code. Text or artwork right up against it can stop it scanning.
- Use SVG for print: it scales to any size without going blurry. PNG suits documents, emails and social posts.
- Test it with a couple of different phones, printed at the real size, before you order a thousand flyers.