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The most commonly used EAN standard is the thirteen-digit EAN-13, a superset of the original 12-digit Universal Product Code standard.
The Barcode generator tool lets you create a EAN13 Barcode signatures that you can download and use to sign business contracts and official EXCEL documents. Any EAN13 Barcode contains unique textual information that confirms the identity of the signer or authorizes the business document. Barcode verification can be performed automatically by reading the signature content. The signatures content may vary depending on the Barcode or QR Code types. For example, barcodes allow to keep about 10-15 characters. The GroupDocs Generator tool allows you to generate electronic signatures from any browser for free without registration. GroupDocs will be happy to help you with the electronic signature generation and their usage on your documents.