Quick Takeaway
This tool generates 100% client-side, permanent static QR codes that never expire. For printing on business cards, menus, or billboards, use Vector SVG or High error correction (Level H) when embedding custom logos.
How to Create and Optimize QR Codes for Print & Digital Use
QR (Quick Response) codes store alphanumeric data in a 2D matrix. High contrast between the foreground dots and background is crucial for instant scanning under poor lighting. Level H error correction allows up to 30% of the code to be obscured by a company logo while remaining 100% scannable by any smartphone camera.
Supported QR Code Types & Recommended Settings
| QR Code Format | Best Recommended Use Case | Recommended Error Correction |
|---|---|---|
| Website URL | Marketing, menus, packaging, social links | Level M (15%) |
| WiFi Connect | Hotels, cafes, offices, home guests (one-tap connect) | Level M (15%) |
| vCard Digital Contact | Business cards, networking conferences | Level Q (25%) |
| Custom Logo QR | Brand identity, official marketing collateral | Level H (30%) |