s Barcode Specifications

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Barcode Symbologies

A Barcode Symbology defines the technical details of a particular type of barcode: the width of the bars, character set, method of encoding, checksum specifications, etc. Most users are more interested in the general capabilities of a particular symbology (how much and what kind of data can it hold, what are its common uses, etc) than in the excruciating technical details.

To compare symbologies side by side, see our Symbology Comparison Chart.

Numeric-only barcodes

Alpha-numeric barcodes

2-Dimensional barcodes

Industry Standards for Barcodes and Labels