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Troubleshooting • Jul 2026

Why Is My QR Code Not Scanning? Top 5 Causes & Quick Fixes

Troubleshoot low contrast, poor sizing, over-crowded data payloads, and blurry print issues.


1. Insufficient Color Contrast

Always maintain a dark code pattern on a light background. Inverting colors often prevents standard phone cameras from recognizing finder patterns.

2. Excessive Payload Length

Shorter URLs produce cleaner, less crowded pixel patterns that scan easily from further distances.