PDF Days in October 2021

The PDF Association staff delivers a vendor-neutral platform in service of PDF’s stakeholders.


If you are a heavy user of PDF technology, develop with PDF, or build PDF applications into your products and services, the educational / non-commercial Technical Days and Solution Days sessions of PDF Days Online 2021 are a great place to find inspiration and expertise. Check out the agenda for PDF Days Online 2021!
Technical Days: 24 non-commercial / educational sessions offered by experts in PDF technology.
Solution Days sessions 14 short presentations offered by leading PDF technology companies to highlight a product or feature.
Can't make the times? Register anyway; we'll send you a recording of the presentation the next day!
Interviews with PDF Days speakers
We've been publishing short interviews with each of the speakers as a means of previewing their Technical Days sessions. The interviews published so far are:
- Michael Demey looks at the future of traversing PDF Files
- Elodie Tellier talks about PDF/A Conversion and Validation Challenges
- Boris Doubrov of DualLab compares WCAG with PDF/UA
- Tim Allison of NASA's JPL talks about his work for DARPA on a PDF Observatory" for PDF developers
- Dietrich von Seggern from callas software reviews the idea of archiving email as PDF.
- Roman Toda of Normex has a lot to say regarding the derivation of HTML from PDF.
- Bernd Wild of intarsys discusses his favorite subject: validating PDF digital signatures.
- Matt Kuznicki of AbleDocs plans to present on lessons learned from implementing a PDF/UA viewer.
- Matthias Valvekens from iText will cover the future of cryptography in PDF.
- Carsten Heiermann of Foxit discusses how to make e-signing interoperable.
- Klaas Posselt will explain how to tag PDF content "the right way".
- Michael Vrhel of Artifex will survey open source solutions for PDF.
- Neil Pitman of Aquaforest will discuss how the Low Code / No Code movement pertains to PDF.
- Andrey Savonov of PDFTron covers content accessibility for all screen sizes.
- René Treuber of axaio reviews the differences between merely tagged PDF and PDF/UA conformance.
PDF Days Online 2021 sponsors
Gold sponsors

Adobe is changing the world through digital experiences. Our creative, marketing, and document solutions empower everyone — from emerging artists to global brands — to bring digital creations to life…

callas software finds simple ways to handle complex PDF challenges. As a technology innovator, callas software develops and markets PDF technology for publishing, print production, document exchange and document archiving….

Founded in 2001, Foxit is a leading provider of innovative PDF and eSignature products and services, helping knowledge workers increase productivity and do more with documents. Foxit combines easy-to-use desktop…

PDFTron Systems Inc. is a global provider of industry-leading, high-performance document processing and conversion technology related to PDF, XPS, SVG, and other graphic file formats. Our flagship cross-platform PDF library,…

Solimar Systems enables organizations around the globe to onboard, make ready, enhance, manage and deliver print and digital communications. As an early adopter of the PDF output format, our Chemistry™…
Bronze sponsors


