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ISO 19444 (XFDF)

ISO 19444-1:2019 Document management — XML Forms Data Format — Part 1: Use of ISO 32000-2 (XFDF 3.0) specifies an XML format for representing forms data and annotations in PDF 2.0, as defined by ISO 32000-2. This document does not alter ISO 32000-2 in any way.

XFDF is the XML equivalent to FDF files, which are defined in clause 12.7.8 of ISO 32000-2. FDF files uses the same COS syntax that PDF files use.

XFDF was first published in 2016, with a 2019 dated revision making the following improvements:

  • Addition of 3D comment related elements and attributes;
  • Stream encoding information for XFDF.
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INFO

ISO 19444 specifies an XML format for representing forms data and annotations in ISO 32000-2 (PDF 2.0). It is the XML equivalent of FDF.

PDF 2.0 icon

Community: PDF TWG

ISO Group Responsible: ISO TC171 SC2 WG8

ISO Status: status of all PDF-related ISO work

Errata: PDF 2.0 (ISO 32000-2)

July 14, 2021


PDF 2.0 XFDF



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