The Complete Guide to QR Codes: Error Correction, Logos, and Best Practices

Short summary

A practical guide to QR code generation covering error correction levels (L through H), logo placement rules, contrast requirements, quiet zone margins, and file format choices. Key advice: use Level M for most cases, Level H only when adding logos or expecting wear. Always export as SVG for print, test with multiple phones, and keep URLs short.

• •Error correction levels L/M/Q/H trade data capacity for resilience
• •Logos require Level H and should cover max 20-30% of code area
• •Use SVG for print, PNG for digital, avoid JPEG; always test on multiple devices

Generated with AI, which can make mistakes.