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Free MSI Barcode Generator

Modified Plessey barcode symbology developed by MSI Data Corporation for supermarket shelf tags.

11. Selected SymbologyMSI Symbology Standard
MSI
MSI / Plessey — Numeric barcode primarily used for retail shelf labeling and inventory control.
VALID ✅
ℹ️ Numeric digits (0-9)
⚙️ Barcode Sizing & Visual Style

Instant Barcode Preview

Vector Live Preview
TECHNICAL SPECCHECKSUM PASS
TYPE: MSI
LENGTH: 10
DATA: 1234567890

What is MSI Barcode?

Modified Plessey barcode symbology developed by MSI Data Corporation for supermarket shelf tags. Defined under standard MSI Symbology Standard, MSI is engineered for fast, reliable optical scanning across industrial and commercial environments.

SpecificationDetails
Standard SymbologyMSI (MSI Symbology Standard)
Character SetNumeric digits (0-9)
Checksum AlgorithmModulo 10, Modulo 11, or Modulo 1010 check digits
Quiet Zone Margin10 times the narrow bar width
Processing Mode100% Client-Side In-Browser (Zero Server Logs)

Key Advantages

  • Continuous barcode with simple check digit options
  • Compact numeric encoding for shelf tags

📦 Common Use Cases

  • Supermarket retail shelf price tags and restocking labels
  • Warehouse aisle and bin storage location identifiers
  • Retail backroom storage inventory audits

Frequently Asked Questions

What is MSI Plessey used for?

MSI Plessey is widely used by grocery chains and supermarkets for shelf tag pricing and restocking inventory.

🔒 100% Private

Zero Server Uploads

All matrix rendering and check-digit calculations run locally inside your browser using client-side JavaScript.

⚡ Exact Compliance

GS1 & ISO Standard

Strict Modulo checksum verification ensures 100% hardware scanner and retail checkout compatibility.

🎉 No Friction

Free Forever

Zero accounts, zero signups, zero watermarks, and zero expiration dates. Free for commercial and personal use.