Best Practices
Follow these proven guidelines to create QR codes that work reliably across all devices and environments while providing excellent user experience.
Design Guidelines
Maintain High Contrast
Use dark colors on light backgrounds for maximum readability
Black on white, dark blue on light gray
Light gray on white, yellow on light blue
Preserve Quiet Zone
Keep a clear border of at least 4 modules around the QR code
White border equivalent to 4 QR code squares
No border or border less than 4 modules
Size Appropriately
Ensure QR codes are large enough for the intended viewing distance
Minimum 2cm x 2cm for close viewing
Tiny codes that require magnification
Avoid Distortion
Keep QR codes square and avoid stretching or skewing
Perfect square proportions maintained
Stretched, compressed, or rotated codes