Barcodes and QR codes

This element adds a barcode or QR code to the form based on the provided string. You can use it to link to your website or to uniquely identify a form (for example, generate personalized exam papers for each student).

Information from the barcode is decoded during recognition.

QR code

Aspose.OMT for .NET can generate and recognize a wide variety of barcodes:

  • AustralianPosteParcel
  • AustraliaPost
  • Aztec
  • Codabar
  • CodablockF
  • Code11
  • Code128
  • Code16K
  • Code32
  • Code39Extended
  • Code39Standard
  • Code93Extended
  • Code93Standard
  • DatabarExpanded
  • DatabarExpandedStacked
  • DatabarLimited
  • DatabarOmniDirectional
  • DatabarStacked
  • DatabarStackedOmniDirectional
  • DatabarTruncated
  • DataLogic2of5
  • DataMatrix
  • DeutschePostIdentcode
  • DeutschePostLeitcode
  • DotCode
  • DutchKIX
  • EAN13
  • EAN14
  • EAN8
  • GS1Code128
  • GS1DataMatrix
  • GS1QR
  • IATA2of5
  • Interleaved2of5
  • ISBN
  • ISMN
  • ISSN
  • ItalianPost25
  • ITF14
  • ITF6
  • MacroPdf417
  • Mailmark
  • Matrix2of5
  • MaxiCode
  • MicroPdf417
  • MSI
  • OneCode
  • OPC
  • PatchCode
  • Pdf417
  • Pharmacode
  • Planet
  • Postnet
  • PZN
  • QR code
  • RM4SCC
  • SCC14
  • SSCC18
  • Standard2of5
  • SwissPostParcel
  • SwissQR
  • UPCA
  • UPCE
  • VIN
  • MailMark


This element is declared as an object with "element_type": "Barcode" property.

A string encoded as a barcode is specified in the value property.

	"element_type": "Barcode",
	"value": ""

Required properties

Name Type Description
element_type string Must be "Barcode" (case-insensitive).
value string A string encoded as a barcode.

Optional properties

Name Type Default value Description
name string n/a Used as an element’s identifier in recognition results and as a reminder of the element’s purpose in template source; for example, “Web site”.
This text is not displayed on the form.
barcode_type string “QR” Type of the barcode. Can take one of the following values: "AustralianPosteParcel", "AustraliaPost", "Aztec", "Codabar", "CodablockF", "Code11", "Code128", "Code16K", "Code32", "Code39Extended", "Code39Standard", "Code93Extended", "Code93Standard", "DatabarExpanded", "DatabarExpandedStacked", "DatabarLimited", "DatabarOmniDirectional", "DatabarStacked", "DatabarStackedOmniDirectional", "DatabarTruncated", "DataLogic2of5", "DataMatrix", "DeutschePostIdentcode", "DeutschePostLeitcode", "DotCode", "DutchKIX", "EAN13", "EAN14", "EAN8", "GS1Code128", "GS1DataMatrix", "GS1QR", "IATA2of5", "Interleaved2of5", "ISBN", "ISMN", "ISSN", "ItalianPost25", "ITF14", "ITF6", "MacroPdf417", "Mailmark", "Matrix2of5", "MaxiCode", "MicroPdf417", "MSI", "OneCode", "OPC", "PatchCode", "Pdf417", "Pharmacode", "Planet", "Postnet", "PZN", "QR", "RM4SCC", "SCC14", "SSCC18", "Standard2of5", "SwissPostParcel", "SwissQR", "UPCA", "UPCE", "VIN".
qr_version integer Automatic QR Code version. Only applicable when barcode_type is "QR".
codetext Boolean false Add a string from the value property below the barcode image.
align string “center” Horizontal alignment of the barcode image: "left", "center" or "right".
height integer Automatic Barcode height, in pixels. The width is adjusted automatically.
x integer n/a Set the absolute position of the barcode relative to the left edge of the page.
Overrides the value of align property.
y integer n/a Set the absolute position of the barcode relative to the top edge of the page.

Allowed child elements



	"element_type": "Template",
	"children": [
			"element_type": "Page",
			"children": [
					"element_type": "Container",
					"name": "Three-column layout",
					"columns_count": 3,
					"children": [
							"element_type": "Block",
							"column": 1,
							"children": [
									"element_type": "Barcode",
									"value": "Code39",
									"barcode_type": "code39standard",
									"align": "left",
									"height": 150
							"element_type": "Block",
							"column": 2,
							"children": [
									"element_type": "Barcode",
									"value": "",
									"height": 300
							"element_type": "Block",
							"column": 3,
							"children": [
									"element_type": "Barcode",
									"value": "PDF417 Barcode",
									"barcode_type": "PDF417",
									"codetext": true,
									"height": 300

Barcodes example