QR safety
QR Code Safety Tips Before You Publish or Print
QR codes are convenient because they turn a scan into an action. That convenience also means mistakes travel quickly: a broken link, a confusing destination or a malicious replacement sticker can affect every person who scans. These checks help make QR codes safer and more reliable before they are printed or shared.
Use trustworthy destinations
Send people to a domain they can recognise and trust. If a QR code points to a short link, tracking link or unfamiliar domain, users may be more cautious. A clear brand domain and a page that matches the printed message can improve confidence.
Avoid encoding sensitive information directly into a QR code. Static QR codes can be copied, photographed and shared. Treat anything inside the code as public unless you control the environment carefully.
Check for tampering in public places
Public QR codes can be covered by stickers that point somewhere else. This is especially relevant for posters, parking signs, menus, event signs and payment-related codes. Inspect printed codes regularly and place them where tampering is less likely.
When possible, include the destination domain in text near the QR code so users can compare what they expect to open with what their phone shows.
Test the full user journey
Do not only test that the QR code scans. Test the full journey: the page opens, it loads on mobile, the content is correct, the form works and the scan destination still makes sense after a few days.
Use more than one phone and test in the lighting conditions where the code will be used. For printed material, test the actual print size and material rather than only the image on screen.
Keep records of important QR codes
For business use, keep a simple record of where each QR code is used, what link it points to and when it was printed. This helps you update pages, retire campaigns and respond quickly if a destination changes.
If a QR code is used for payments, identity, account access or other high-risk activity, apply extra controls and avoid relying on the QR code alone as proof that a destination is safe.