QR Print Size & Contrast Guide — Scan Every Time
Minimum sizes, quiet zones, and contrast rules for menus, packaging, and outdoor signage.
FAQ
What is the minimum QR size for packaging?
At least 2×2 cm for consumer packaging; larger for outdoor or distance scanning. Always keep a white quiet zone.
Can I put a logo in the center?
Yes with moderation — keep logo under ~12% of code area and test scan after adding art.