QR & GS1 Glossary
Key terms related to QR Codes and GS1 DataMatrix.
ASCII 29 (GS)
Group Separator control char used for FNC1 in GS1. Use <GS> placeholder; we convert it to ASCII 29.
Data Matrix
2D code for industry/pharma. ISO/IEC 16022.
ECC
Error correction levels L/M/Q/H for QR.
FNC1
Function Code 1 used as a separator in GS1 variable-length AIs.
GS1 AI
Application Identifiers like (01),(10),(15),(17) defining semantics.
GTIN
Global Trade Item Number, encoded as AI (01).
Quiet Zone
Blank margin around the code needed for scanning.
SVG
Vector format, perfect for print.
UTM
Campaign parameters for analytics.