Barcode Generator

A barcode is a visual representation of data that can be read by machines, typically used to identify products, track items, or manage inventory. It's made up of parallel lines (bars) and spaces of varying widths (in 1D barcodes) or patterns and squares (in 2D barcodes like QR codes).

Code 128

Code 128 is a high-density, alphanumeric, linear barcode symbology used extensively in logistics, shipping, and packaging, particularly where space is limited and data needs to be compact.

Character Set:

• Supports the full ASCII set (0-127), including all digits (0-9)
• Uppercase and lowercase letters (A-Z, a-z)
• Special characters and control codes

Use Cases:

• Shipping labels (UPS, FedEx, USPS, etc.)
• Product identification
• Inventory systems
• GS1-128 (application standard using Code 128 for supply chains)

Code 39

Code 39 (also known as Code 3 of 9) is a 1D barcode symbology widely used in inventory, defense, automotive, and healthcare industries.
It was one of the first alphanumeric barcode types and is known for its simplicity and ease of use.

Key Features of Code 39:

• Supports 43 characters
• Letters: A-Z (uppercase only)
• Numbers: 0-9
• Special characters: -, ., $, /, +, %, and space

Code 25

Code 25, also known as Interleaved 2 of 5 (ITF) or simply Code 2 of 5, is a numeric-only, high-density, 1D barcode symbology.
It's used primarily in industries like logistics, warehousing, and manufacturing, especially for carton labeling and product packaging.

Key Features

• Character Set: Digits 0-9 only
• Data Length: Must be even number of digits (e.g., 123456)
• Odd-length input is typically padded with a leading 0
• High Density: Compact barcode useful for printing on corrugated cardboard
• Check Digit: Optional Mod 10 check digit sometimes used (e.g., in GS1 standards)

Codabar

Codabar is a linear (1D) barcode symbology used primarily in libraries, blood banks, photo labs, and other inventory or data collection systems. It's known for being simple, easy to implement, and tolerant of printing imperfections.

Applications:

• Libraries: For book tracking.
• Blood Banks: For unit labeling (especially in compliance with ISBT 128).
• Airbill Numbers: In logistics systems like FedEx.
• Medical labs: For sample identification
• Libraries: For book tracking.