UPC-A (GTIN-12) Generation Options
The UPC-A barcode option is specified in IDAutomation
Barcode Fonts, Components and Applications
to create a UPC-A barcode, which is most commonly used
to encode 12 digits of the
The 12th digit of UPCA is a
digit that is recalculated in all IDAutomation barcode products
to reduce scanning errors and may be omitted when encoding data. A
2 or 5 digit add-on may be created by appending the numbers to the end
of the 11 or 12 digits that make up the primary symbol. Therefore, a
number string of 11, 12, 13, 14, 16 or 17 digits (with or without a
check digit) must make up the DataToEncode.
- Using the UPC-A barcode option with a
returns text formatted to the
- The UPC-A barcode option in all
will produce a barcode image.
- Entering incorrect data may create a barcode containing all
zeros in some products.
Fig. 1. UPC-A barcode encoding "123456789012" with an add-on
The above UPC-A barcode was created with the
Barcode Image Generator.
A free online
barcode generator is also available.
The UPC-A barcode type may be easily read and verified with the
IDAutomation USB Barcode Scanner.