

This barcode types has no human readable text based on the specification. A list of the DataMatrix symbol sizes with examples is available here.Ĭalculated according to Reed-Solomon-Error correctionĪctiveBarcode calculates the check digit automatically.
#Data matrix barcode generator code#
you select the type "DataMatrix 18x18" to get a code with a symbol size of 18x18. You select the symbol size for yourself via the type, e.g. In this type, ActiveBarcode always selects the best rectangular, non square symbol size that fits for the data to encode. In this type, ActiveBarcode always selects the best square symbol size that fits for the data to encode. ActiveBarcode always uses the square versions of the Data Matrix Symbol in this case. The symbol sizes 12x12 and 8x18 and the symbol size 20x20 and 12x36 have the same number of data they can encode. In this type, ActiveBarcode always selects the best symbol size that fits for the data to encode. Great for creating scannable confirmation numbers.
#Data matrix barcode generator generator#
In ActiveBarcode you can choose between different options for creating a DataMatrix: DataMatrix Barcode is a two dimensional barcode that consists of a grid of dark and light dots or blocks forming square or rectangular symbol. Free online barcode generator creates QR Code and Data Matrix barcode in either JPEG or PNG format. Different symbol sizesare used depending on the amount of data to be encoded. ActiveBarcode uses ECC 200 for the creation of the Data Matrix code.A Data Matrix code will be still readable when up to 25% of itself is covered or damaged.Ī Data Matrix Code can encode up to 3116 numbers or up to 2335 characters. The current, most certain and recommended variant is ECC 200 (Reed-Solomon-Error correction). ECC is "Error Checking and Correction Algorithm" and that 'n' stands for a number.Basically there are two versions: ECC 000-140 and ECC 200. Today there are different development steps,which differ in the error correction.These are name as ECC n. The development of the Data Matrix code started in the 80ies. This area must be at least so wide as one dot of the code.
