📖 QR Code Encoding, Error Correction & Vector Rendering Guide
Learn QR code data versions, Reed-Solomon error correction levels (L, M, Q, H), and quiet zone requirements.
How QR Codes Work (2D Matrix Symbology)
A Quick Response (QR) code is a two-dimensional matrix barcode defined by ISO/IEC 18004. It encodes data in black and white square modules.
QR codes feature built-in Reed-Solomon Error Correction, allowing the code to be successfully scanned even if up to 30% of the graphic surface is damaged or obscured.
Frequently Asked Questions
Detailed specifications & guides FAQs.