Free Online Codebar Barcode Maker


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Codabar is a linear barcode symbology developed by Pitney Bowes Corp in 1972.

It and its variants are also known as Codeabar, Ames Code, NW-7, Monarch, Code 2 of 7, Rationalized Codabar, ANSI/AIM BC3-1995, or USD-4.

Although Codabar has not yet registered U.S. federal trademark status, its hyphenated variant, Code-a-bar, is.

Codabar codes can even be printed using a typewriter-like impact printer, allowing many codes with consecutive numbers to be created without the use of computer equipment. Each time a code is printed, the printer's imprint mechanically advances to the next number, like a mechanical mileage counter.

The Codabar barcode is a linear barcode that is widely used wherever serial numbers are required. The Codabar is designed to be read accurately even when printing multi-part forms such as FedEx air waybills and blood bank forms on dot matrix printers. As of 2007 Variations of these tables are still in use. Although newer symbologies contain more information in smaller spaces, Codabar has a large installed base in libraries.


Codabar has 4 bars and 3 spaces (total 7 cells), each narrow or wide width represents a character (letter). 7 bars and spaces represent one character. It contains a 20-bit character set: the numbers "0-9", the four English capital letters A, B, C, and D, and 6 special characters ("-", ":", "/", ".", " +", "$"). There is any one of A, B, C or D (a, b, c or d) at the beginning and end of the barcode (start/terminator).

It uses 4 bars and 3 spaces (a total of 7 cells) to represent a character, and each bar or space can be narrow or wide.

It consists of 20 character sets, including the numbers "0-9", the four English capital letters A, B, C, and D, and 6 special characters ("-", ":", "/", "." , "+", "$").

It uses asterisk (*) as start and end characters.


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