MAKE YOUR OWN.
There are many application & websites to create QR-Codes (Quick Response Codes). Many will require payment or limit the customisation possible.
Some QR Code or QR code Generator can represent a Threat, and for instance, you should not scan any QR Code if you don’t know its origin.
Nonetheless, if you need to create your own use a secure & reliable website. We recommande : https://www.qrcode-monkey.com/