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


The element is declared with ?barcode=[name] statement. This statement must be placed on a separate line.

name property is 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”. The name is not displayed on the form.


An attribute is written as [attribute_name]=[value]. Each attribute must be placed on a new line immediately after the opening ?barcode= statement or another attribute, and must begin with a tab character.


A string encoded as a barcode is provided in value attribute. For example: value=


The barcode element can be customized by adding optional attributes to it.

Attribute Default value Description Usage example
barcode_type 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. barcode_type=PDF417
qr_version Automatic QR Code version. Only applicable when barcode_type is QR. qr_version=40
codetext false Add a string encoded as a barcode below the barcode image. codetext=true
align center Horizontal alignment of the barcode image: left, center or right. align=right
height Automatic Barcode height, in pixels. The width is adjusted automatically. height=300
x n/a Set the absolute position of the barcode relative to the left edge of the page.
Overrides the value of align attribute.
y n/a Set the absolute position of the barcode relative to the top edge of the page. y=500

Allowed child elements



?block=Column 1
?barcode=Code 39 barcode
?block=Column 2
?barcode=QR code
?block=Column 3
?barcode=stacked linear barcode
	value=PDF417 Barcode

Barcodes example