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UPC-A
EAN-13
Code 128
Code 39
Interleaved 2 of 5 (ITF)
USPS POSTNET
PDF417
QR Code
Data Matrix
Aztec Code
Pharmaceutical Binary Code
ISBN
  and more. Free Barcode Generator supports 100+ formats for retail, inventory, and logistics.

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  • EAN-13
  • UPC-A
  • EAN-8
  • UPC-E
  • ISBN
  • ISSN
  • ISMN

Barcode Data

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Common Barcode Types

UPC-A

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Format: 12-digit numeric code (11 data digits + 1 check digit)

Usage: Retail product identification in North America, widely used in supermarkets and other retail environments.

EAN-13

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Format: 13-digit numeric code (12 data digits + 1 check digit)

Usage: Global retail product identification, primarily used in European countries for retail products.

Code 128

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Format: Alphanumeric characters (full ASCII set) with variable length

Usage: Logistics, supply chain management, and shipping labels for encoding alphanumeric data.

Code 39

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Format: Alphanumeric characters (0-9, A-Z, space) with variable length

Usage: Automotive and defense industries, commonly used for inventory and tracking.

Interleaved 2 of 5 (ITF)

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Format: Numeric-only format with variable length, must have an even number of digits

Usage: Logistics and warehouse operations, especially for labeling cartons and pallets.

USPS POSTNET

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Format: Numeric-only, typically 5, 9, or 11 digits

Usage: US Postal Service for automated mail sorting.

PDF417

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Format: Alphanumeric, including special characters, with high data capacity

Usage: Identification cards, transport tickets, and storing large amounts of data (e.g., in airline boarding passes).

QR Code

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Format: Alphanumeric characters, binary data, or Kanji, supports up to 7,089 numeric or 4,296 alphanumeric characters

Usage: Marketing, mobile payments, and web URLs, especially for fast scanning by mobile devices.

Data Matrix

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Format: Alphanumeric or binary data, up to several thousand characters

Usage: Used in aerospace, defense, and pharmaceuticals for marking small products or parts.

Aztec Code

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Format: Alphanumeric, binary, and special characters, supports up to 3,832 numeric or 3,067 alphanumeric characters

Usage: Primarily used in transportation tickets, such as airline boarding passes.

Pharmaceutical Binary Code

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Format: Numeric only, typically small ranges (up to 7 digits)

Usage: Pharmaceutical packaging for encoding information related to drug approval or manufacturing.

ISBN

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Format: 13-digit numeric code (prefix, group, publisher, title, check digit)

Usage: Books and other publications for unique identification in the publishing industry.

Frequently asked questions

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