Go to https://www.the-qrcode-generator.com/; Write a message for your loved one; A QR code will be generated which you can save in PNG format on your PC;
Go to https://www.the-qrcode-generator.com/
Write a message for your loved one
A QR code will be generated which you can save in PNG format on your PC
Then go to https://www.canva.com/ and click create design
Select Post Card format
Upload your QR code in canva
Select a template and you can customise it as per your choice
Then go to uploads on left side toolbar and click on the QR code image which you had uploaded
The QR code will appear in your edited template
Save this work in PNG on your PC and get it printed
You can test it by scanning it in a QR code scanner
Now you are done. Surprise your loved ones with secret message through QR codes!