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QR Size & Scanning Optimization

QR code scanning distance refers to how far away a user can successfully scan a QR code. This distance is directly related to the physical size of the QR code.

Basic rule: Safe scanning distance ≈ 10× the QR code’s side length..

Recommended safety tolerance: ±15%

QR Size vs Scanning Distance

2 in	1.7 ft
4 in	3.3 ft
8 in	6.7 ft
12 in	10 ft
20 in	16.7 ft

QR Printing Guide

Proper printing and placement significantly affect QR scan performance. Follow these guidelines to ensure fast and reliable scans.

Goal: Make your QR instantly scannable from real-world distance.

Material
Use matte (non-reflective) surfaces. Glossy or laminated materials can cause glare and prevent scanning.

Quiet Zone (Spacing)
Leave empty space around the QR code (at least 15% of its size). Do not place text, logos, or borders too close.

Placement
Mount the QR at least 1 meter above the ground. Ideal placement is at eye level for quick scanning.

Lighting
Avoid direct sunlight reflection. Ensure the QR is visible in low-light conditions if used at night.

Testing
Always test the QR using multiple devices (iPhone and Android). Scan from actual intended distance before printing in bulk.