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I generated a QR code with plugin "QRCode Maker Pro" and i'm curious if it can expire in any way?
I need it for some graphic work and i need to be sure about this.
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As a general rule - QR codes don't expire they are random/unique with each generation.
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If there is a way, it’s probably not something you can do in Photoshop. I don’t know if the QR code standard allows for expiring, but if it did, that means it would be encoded into the QR code, and that means it would have to be done by the plug-in. So check with the maker of the QR code plug-in to see if there is an expiration feature in the plug-in.
If the QR code itself cannot control expiration, then you might still be able to do it at the destination of the QR code. For example, if what you are putting in the QR code is a URL, and if you or your client has control over the landing page for the URL, one option is to expire the URL or change the contents of the URL landing page after a period of time, either manually or in the code for that web page.