Do QR Codes Expire?
A QR code image does not expire by itself. What can expire is the destination behind it, especially when the QR code points through a managed redirect or short-link service.
A normal static QR code keeps the same payload
Static QR codes are just encoded data. If the code contains a URL, phone number, email link, Wi-Fi payload, or text value, scanning the same image later returns the same value.
The QR file can still become unusable if it is printed too small, damaged, low contrast, or linked to a web page that no longer exists.
Some QR codes appear to expire because they are dynamic
Many online QR tools generate a redirect link instead of encoding your final destination directly. If the account, trial, subscription, or service changes, the redirect can stop working.
That does not mean QR technology expires. It means the provider-controlled link in the code stopped resolving correctly.
Check the payload before printing
If a QR code resolves to a short provider URL first, it is dynamic or at least provider-mediated. If it resolves directly to your final URL or app payload, it is static.
For printed material, scan a test copy with more than one phone before producing a large batch.
Use stable destinations
A static URL QR code is only as durable as the URL it contains. Use a domain you control, avoid temporary files, and avoid private links that may later require a login.
For phone, SMS, email, Wi-Fi, and vCard QR codes, make sure the payload itself is unlikely to change.