To ensure a QR code on an image is scannable, follow the guidelines provided below.
Ensure the code's and image's colors don't clash.
Use an appropriate QR code size: a minimum of 2 x 2cm (0.8 x 0.8in) is recommended.
Adjust the QR code's color, shape, and size when placing it on an image, and confirm its scannability before printing.
Include a quiet zone to allow QR code scanners to quickly recognize the code.
Steer clear of overcrowding the QR code design and its surroundings.
Avoid placing the QR code on an uneven or curved surface, as these might hinder its readability.
Test the QR code’s URL link before applying it to the selected image.
Find out how to improve the scanning rate of QR codes by exploring potential QR code scanning problems.