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PDF industry presentations

The PDF Association hosts a library of recordings of educational presentations by members and guest speakers at industry events. This collection, now including downloadable slide decks in many cases, is now accessible from

All presentations are posted as received from the speaker. The PDF Association does not take responsibility for presentation content, comments by attendees or the speakers’ downloadable PDF files.


Peter Wyatt
The future: re-imagining the best possible definition of PDF

We can and must do better if PDF is to remain reliable, portable, and relevant – and thus grow into the future for all its stakeholders. And now, we have that chance…


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Executive Briefing
Updates, future plans and Q&A with the PDF Association CEO and CTO
Duff Johnson at PDF Days Europe 2021 ( 2021, Sep )
PDF community

Join CEO Duff Johnson and CTO Peter Wyatt as they discuss current and future PDF Association initiatives. Intended primarily for members, this session is also open to non-members.

Making sense of PDF structures in the wild at scale
Building a file observatory to support secure parser development
Tim Allison at PDF Days Europe 2021 ( 2021, Sep )
Security Document management

PDFs in the wild offer a bewildering amount of variation in syntax, features and structure.  For those building parsers or evaluating parsers, it is critical to have a broad coverage corpus available to assess and discover distributions of issues “in … Read more

PDF/UA und Office – Aktueller Stand
Microsoft und Libre Office - PDF Export
Dirk Frölich at PDF Days Europe 2021 ( 2021, Sep )

Was hat sich seit den letzten PDF Days beim PDF-Export mit Bordmitteln von Microsoft Office oder LibreOffice getan? Die Erstellung von vollständig barrierefreien PDF-Dokumente nach PDF/UA-Standard ist nach wie vor nicht möglich und erfordert eine Nachbereitung. Aber von Jahr zu … Read more

PDF/A Conversion and Validation Challenges
This presentation will discuss some of the challenges in PDF to PDF/A conversion and PDF/A validation and how to overcome them.
Elodie Tellier at PDF Days Europe 2021 ( 2021, Sep )

We will examine how specific problems are handled in these (not so) similar processes. Sometimes PDF/A validation can be more complex than PDF/A conversion, and in other cases, is it the other way around. What makes a document difficult to … Read more

WCAG or PDF/UA: what’s the difference
Gap analysis and challenges in validation
Boris Doubrov at PDF Days Europe 2021 ( 2021, Sep )

At the moment WCAG validation is a legal requirement, while PDF/UA is not (unfortunately). In this talk we make an attempt to perform a gap analysis between these standards, taking PDF/UA-1 and Matterhorn 1.1 protocol as a basis and analyzing the … Read more

WCAG or PDF/UA: what's the difference

Deriving HTML from PDF – lessons learned
Implementation challenges in reusing PDF content
Roman Toda at PDF Days Europe 2021 ( 2021, Sep )
Reuse PDF 2.0

Two years after introducing Deriving HTML from PDF document, two years after implementing the core concept, after processing countless authored and un-authored pdf files we will share our experiences. To successfully adopt the idea, developers need to understand the implementation … Read more

How to make e-Signing interoperable
Getting rid of proprietary data and closed workflows
Carsten Heiermann at PDF Days Europe 2021 ( 2021, Sep )
Digital signatures

This presentations sorts out digital signatures and e-Signing and describes the current status of e-Signing, with its non-interoperable, cloud based workflows. Can PDF turn e-Signing into an interoperable workflow? Can PDF carry proprietary data of the signing process and the … Read more

The Arlington PDF Model
A specification-derived, machine-readable definition of PDF
Peter Wyatt at PDF Days Europe 2021 ( 2021, Sep )
PDF 2.0

This talk will present the Arlington PDF Model as the first open access, vendor-neutral, comprehensive, specification-derived machine-readable definition of all formally defined PDF objects and their intra- and inter-object relationships. This represents the bulk of the latest 1,000-page ISO PDF … Read more

The Arlington PDF Model, a presentation by Peter Wyatt at PDF Days Online 2021

SafeDocs – towards a more secure future
Securing file formats through provable techniques
Peter Wyatt at PDF Days Europe 2021 ( 2021, Sep )

This talk will present industry-relevant outcomes from the DARPA-funded “SafeDocs” research program, as well as reviewing future directions. This research is aimed at reducing the attack surface of parsing software, and identifying and removing inherent weaknesses in the file formats, … Read more

OpenType color fonts in PDF
Implementing emoji and other colored symbols in PDF
Thomas Merz at PDF Days Europe 2021 ( 2021, Sep )
Print PDF 2.0

We are used to setting text in color, but for decades operating systems and font formats supported only monochrome fonts where the font specifies only the shape of a glyph, but not its color. While you can apply color when … Read more

Survey of open source PDF solutions
Rendering, creation, and manipulation
Michael Vrhel at PDF Days Europe 2021 ( 2021, Sep )
PDF community

The presentation will first provide an overview of the current active open-source projects that deal with PDF rendering, creation, and manipulation. We will be looking at the activity of the projects (i.e. frequency of commits, number of contributors, history, etc.) … Read more

Content accessibility for all screen sizes
The evolution of content and how we consume it
Andrey Safonov at PDF Days Europe 2021 ( 2021, Sep )

With mobile claiming more than 50% of total internet usage for the past 5 years, the way we interact and manipulate content must continue to adapt. For all a lot of publishers, PDF is still the format of choice. But, … Read more

3DPDFs + the future
format usage + collaboration
Andrey Safonov at PDF Days Europe 2021 ( 2021, Sep )
Engineering / 3D

Since the entry of 3D to the PDF specification, usage has been dominated by the AEC industry. Today, the way we use, interpret and digest 3D models and embed 3D data has matured—mostly attributed to the exponential advancements in technology. … Read more

Cryptography in PDF: future perspectives
Taking PDF crypto to the next level
Matthias Valvekens at PDF Days Europe 2021 ( 2021, Sep )

The relationship between cryptography and PDF is one with a long history. PDF’s cryptography-related features have been through a number of significant revisions over the years, and PDF signatures have firmly established themselves as a replacement for paper signatures in … Read more

Future of Traversing PDF Files
SELECT future FROM pdf.*;
Michael Demey at PDF Days Europe 2021 ( 2021, Sep )
PDF 2.0

As we all know, PDF files are a structural marvel. There are many ways of constructing a file while still maintaining the same visual result. This is a blessing, but also a curse. This variety has to be accounted for … Read more

Archiving email – as PDF?
The current state of discussions and developments in the field of interoperable email archival
Dietrich von Seggern at PDF Days Europe 2021 ( 2021, Sep )

Digital archives have to preserve not only the data formats, they also have to make sure that proper viewer technology is available in the future. For most paper like formats this is solved by PDF/A. Email has replaced paper as the … Read more

PDF/R revisions and new, highly compressed image format
What is new and how can it benefit you?
Rene Rebe at PDF Days Europe 2021 ( 2021, Sep )
Creation PDF 2.0

This presentation will outline the current development of PDF/R and the state of  research for adding new, highly efficient image codes to future PDF versions for smaller PDFs, faster network transfers and more.

What makes a tagged PDF a proper tagged PDF/UA document?
Let us show you how the Matterhorn Protocol helps to generate a PDF/UA compliant document, learn about the most essential tasks and to which difficulties you have to pay attention to.
Rene Treuber at PDF Days Europe 2021 ( 2021, Sep )

Tagged, accessible PDF documents are already part of the standard requirements of many companies – partly due to legal obligations, but increasingly also under a moral aspect. This requirement already arrived in most sectors, that’s for sure, but will increase … Read more

The Low Code Revolution and PDF
What does it mean for PDF Developers and PDF Technology Companies?
Neil Pitman at PDF Days Europe 2021 ( 2021, Sep )
PDF community

Ever-increasing demand for productivity and faster time to delivery is increasing awareness and adoption of Low-Code application development by IT teams and “Citizen IT”. This trend is disrupting traditional patterns of software development and is shifting development towards cloud-based low-code … Read more

Validating digital signatures in PDF
About user experiences and pitfalls
Bernd Wild at PDF Days Europe 2021 ( 2021, Sep )
Digital signatures

Digital signatures and PDF are an increasingly popular combination for digitizing paper-based business processes. While the focus of most signature products and solutions is on the creation of the signature itself, the correct validation of signatures contained in PDF is … Read more

Validating digital signatures in PDF