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.

ISO 21757-1 defines the ECMAScript API for automating and interacting with the 2D and 3D content in PDF 2.0 documents.

PDF/R defines a small subset of ISO 32000 suitable for storage, transport and exchange of multi-page raster-image (scanned) documents.

PDF Declarations facilitate a machine-readable notification that a PDF file (and/or its contents) conform to a given 3rd party specification.

This document describes an algorithm for producing conforming HTML from a well-tagged PDF document. HTML was chosen as a derivation target because HTML is consumed on all platforms and supported by all major vendors.

This document describes PDF/raster, a strict subset of the PDF file format designed for storing, transporting and exchanging multi-page raster-image documents.

ISO 14739-1 (PRC) describes the product representation compact (PRC) file format for three dimensional (3D) content data.

ISO 14289 (PDF/UA) defines the use of tagged PDF providing a mechanism for reuse of PDF page content, especially in the accessibility context.

ISO 24517 defines PDF/E which is a subset of PDF 1.6 supporting the exchange of engineering documents in interactive and non-interactive workflows.

ISO 19005 is a series of standards known as PDF/A which defines a subset of PDF for representing electronic documents in a manner that preserves their static visual appearance over time, independent of the tools and systems used for creating, …