Home / Guides / Business card QR code not scanning? Quick fixes ← All guides Business card QR code not scanning? Quick fixes If your business card QR code won't scan, fix the usual causes: size, quiet zone, blur, density, and contrast.
Business cards are a tough environment: small size, glossy prints, and busy designs. Here are the fastest fixes.
Fix the 3 most common causes # Too small : use 20–25mm (or larger if you use a long vCard).No quiet zone : don't crop the QR in design tools.Blur / low contrast : avoid low-contrast colors and glossy reflections.Full checklist: QR not scanning fixes .
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The real-world reasons QR codes fail (contrast, quiet zone, blur, density, glossy print) and the quickest fixes that work on iPhone/Android.
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Best QR size for business cards: 20–25 mm (0.8–1.0"). Includes US/EU/JP card dimensions, quiet zone rule (4 modules), and a print checklist.
Quick answers Common questions Why does my QR not scan on some phones? Most failures come from no quiet zone, low contrast, small size, or dense content.
How do I fix scan failures quickly? Increase size, improve contrast, shorten the QR content, and retest on iPhone and Android.
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