Conference Berlin, Germany
19–20 May 2025
PDF Days Europe 2025 was held in Berlin on 19–20 May 2025. One year after PDF/UA-2 publication and NIST's post-quantum cryptography standards, the conference examined what implementation actually looks like: AI document pipelines stress-testing PDF quality, PDF/UA-2 validator maturity, and the concrete steps PDF tool vendors and document engineers are taking toward post-quantum digital signatures.
Conference Washington D.C., USA
23–24 September 2024
PDF Days North America 2024 was held in Washington D.C. on 23–24 September 2024. With the EU European Accessibility Act enforcement deadline less than a year away and the DOJ ADA web rule finalised, the conference focused on actionable compliance — PDF/UA-2 tooling, accessible form design, healthcare document workflows under HIPAA, and AI extraction accuracy on real-world North American document types.
Webinar Online
March 2022
A two-session online webinar series hosted by the PDF Association in March 2022 that provided a structured technical deep-dive into PDF 2.0 (ISO 32000-2:2017) for software engineers who missed the in-person PDF 2.0 Summit. Covered encryption changes, new structure elements, optional content revisions, the conformance test suite, and the errata process — in a format accessible to the global developer community without travel.
Conference Berlin, Germany
14–15 May 2024
PDF Days Europe 2024 took place in Berlin on 14–15 May 2024, with PDF/UA-2 (ISO 14289-2:2024) finally published and AI-assisted document processing emerging as a major discussion topic alongside the perennial themes of accessibility, archiving, and digital signatures.
Conference Boston, Massachusetts, USA
19–20 September 2023
PDF Days North America 2023 was held in Boston, Massachusetts on 19–20 September 2023. Sessions covered the state of PDF accessibility compliance under tightening US and EU deadlines, early discussions about AI-assisted PDF processing workflows, and the development roadmap for PDF 2.1 and PDF/UA-2.
Summit Portland, Oregon, USA
10 October 2018
The PDF 2.0 Summit was a focused one-day event held in Portland, Oregon on 10 October 2018, convened by the PDF Association specifically to prepare PDF software developers for the transition to PDF 2.0 (ISO 32000-2:2017), published a year earlier. Sessions delivered technical deep-dives on new encryption options, structure changes, deprecated features, and the conformance test suite strategy.
Conference Berlin, Germany
16–17 May 2022
PDF Days Europe 2022 took place in Berlin on 16–17 May 2022 — the first European in-person PDF Association conference after the pandemic cancelled the 2020 edition and moved 2021 to virtual. The hybrid format combined in-person attendance with live-streamed remote sessions, a model that has persisted since. Topics included PDF/UA-2 progress, PDF 2.0 tooling maturity, digital signature long-term validation, and structured e-invoicing mandates across EU member states.
Conference Portland, Oregon, USA
14–15 October 2019
PDF Days North America 2019 took place in Portland, Oregon on 14–15 October 2019. Coming five months after the final pre-COVID European edition, the conference brought the PDF 2.0 implementation and accessibility conversation to a North American audience, with particular focus on US Section 508 compliance, ADA litigation pressure, and the practical challenges of deploying AcroForm-based workflows at enterprise scale.
Conference Washington D.C., USA
26–27 September 2022
PDF Days North America 2022 took place in Washington D.C. on 26–27 September 2022 — the first in-person PDF Association conference in North America since the pandemic. Sessions covered PDF 2.0 implementation status, accessibility mandates under US Section 508 and the ADA, digital signature trust frameworks, and the PDF Association's new specification clarification process.
Conference Berlin, Germany
27–28 May 2019
PDF Days Europe 2019 took place in Berlin on 27–28 May 2019 — the final in-person edition before the pandemic. Sessions centred on the imminent release of PDF 2.0 tooling, the early development of PDF/UA-2, advances in digital signature infrastructure, and the growing adoption of PDF/A-3 for structured e-invoicing across Europe.
Conference Berlin, Germany
9–10 May 2023
PDF Days Europe 2023 took place in Berlin on 9–10 May 2023, bringing together PDF software developers, document engineers, and standards experts for two days of technical sessions on PDF 2.0, accessibility, digital signatures, and the future of the format.
Conference Berlin, Germany
18–19 May 2026
PDF Days Europe 2026 took place in Berlin on 18–19 May 2026, organised by the PDF Association. One year after EAA enforcement began and with AI document processing now mainstream, the conference focused on real-world AI pipeline quality on PDF corpora, PDF 2.1 specification development progress, post-quantum signature interoperability in production systems, and the state of PDF/UA-2 compliance tooling across major authoring platforms.
Conference Washington D.C., USA
22–23 September 2025
PDF Days North America 2025 was held in Washington D.C. on 22–23 September 2025. With the EU European Accessibility Act enforcement underway and the US DOJ Title II rules fully in effect, the conference pivoted to compliance reality: real-world PDF/UA-2 tool benchmarks, AI legal document discovery accuracy, post-quantum signature readiness in US federal agencies, and the path forward for AcroForm in an AI-first document world.
Summit Online
12 October 2023
The PDF Accessibility Summit 2023 was a focused one-day virtual workshop hosted by the PDF Association on 12 October 2023, dedicated entirely to the practical challenges of implementing PDF/UA accessibility requirements. Sessions covered tagging workflows in authoring tools, remediation of legacy documents, automated testing with PAC 2024 and veraPDF, and legal compliance obligations under ADA, Section 508, and the approaching European Accessibility Act deadline.
Conference Online
17–18 May 2021
PDF Days Europe 2021 was the first fully virtual edition of the annual PDF Association conference, held online on 17–18 May 2021. Sessions covered the practical state of PDF 2.0 adoption one year after the ISO 32000-2:2020 corrigendum, the early technical drafts of PDF/UA-2, accessibility legislation accelerated by remote work, and document workflow changes driven by the shift to fully digital operations during the pandemic.
Conference Online
21–22 September 2021
PDF Days North America 2021 was held virtually on 21–22 September 2021. The event addressed the surge in electronic signing driven by remote work, Section 508 enforcement actions accelerated by pandemic-era government digitisation, and progress on PDF/UA-2 specification development. Digital signature interoperability between US and EU frameworks was a recurring theme.
Conference Online (COVID pivot)
May 2020
PDF Days Europe 2020 was originally planned as an in-person event in Berlin but pivoted to online sessions due to the COVID-19 pandemic. Virtual sessions covered the ISO 32000-2:2020 corrigendum addressing PDF 2.0 specification errata, the abrupt surge in electronic document workflows, digital signing needs created by lockdowns, and early discussions that would lead to PDF/UA-2.
Conference Online (COVID pivot)
October 2020
PDF Days North America 2020 moved online due to COVID-19, taking place in October 2020. Sessions addressed the emergency adoption of electronic signing platforms across North American industries, the technical implications of the ISO 32000-2:2020 corrigendum for US PDF tool vendors, remote notarisation legislation, and accessibility gaps exposed by the move to fully digital government services.
Conference Berlin, Germany
14–15 May 2018
PDF Days Europe 2018 took place in Berlin shortly after the publication of PDF 2.0 (ISO 32000-2:2017) — making it the first conference dedicated to discussing the new standard with implementers. Sessions covered early PDF 2.0 adoption, PDF/UA implementation experiences, digital signature interoperability under eIDAS, and the XFA deprecation announcement.
Conference Portland, Oregon, USA
8–9 October 2018
PDF Days North America 2018 was held in Portland, Oregon, covering the enterprise implications of PDF 2.0 publication, the rapid adoption of ZUGFeRD/Factur-X PDF/A-3 e-invoicing in Europe and what it meant for North American multinational businesses, US Section 508 refresh implementation, and the legal landscape for PDF digital signatures under ESIGN and UETA.
Conference Warsaw, Poland
29–30 March 2017
PDF Days Europe 2017 took place in Warsaw, Poland on 29–30 March 2017. The event focused on the just-published PDF 2.0 specification nearing finalisation, expanded PDF/A-3 e-invoicing adoption, and interactive PDF forms — with strong representation from Eastern European government digitisation programmes.
Conference Chicago, Illinois, USA
October 2017
PDF Days North America 2017 was held in Chicago in October 2017, weeks before the final publication of PDF 2.0 (ISO 32000-2:2017). The conference previewed the new standard for a North American audience, examined ZUGFeRD PDF/A-3 e-invoicing adoption from a US perspective, and discussed the finalised Section 508 refresh requirements for federal agencies.
Conference Berlin, Germany
14–15 March 2016
PDF Days Europe 2016 was held in Berlin on 14–15 March 2016. The event focused on PDF/A long-term archiving in European regulatory contexts, the growing PDF/UA accessibility movement ahead of new EU public sector legislation, and the progress of the then-draft PDF 2.0 (ISO 32000-2) specification.
Conference Washington D.C., USA
September 2016
PDF Days North America 2016 was held in Washington D.C. in September 2016. The conference addressed expanding US federal PDF/A archiving requirements, digital signature interoperability between US ESIGN/UETA and European eIDAS frameworks, and a preview of the nearly-finalised PDF 2.0 specification.
Conference Berlin, Germany
April 2015
PDF Days Europe 2015 took place in Berlin in April 2015. The event marked the first anniversary of the ZUGFeRD e-invoicing standard and reviewed early adoption progress. Sessions also covered PDF/A-3 practical deployment, PDF/UA accessibility tooling maturity, and the ongoing development of the PDF 2.0 specification.
Conference San Jose, California, USA
October 2015
PDF Days North America 2015 was held in San Jose, California in October 2015. Sessions examined the accessibility gap between existing government PDFs and Section 508 requirements, the practical state of PDF/UA implementation in enterprise authoring tools, and the growing adoption of PDF/A by US federal agencies for long-term records management.
Conference Berlin, Germany
May 2014
PDF Days Europe 2014 was held in Berlin in May 2014. The event marked the formal debut of the ZUGFeRD hybrid PDF/XML invoice standard and celebrated the publication of ISO 14289-1 (PDF/UA) earlier that year. Sessions covered PDF/A-3 deployment, the new accessibility standard, and structured document workflow advances.
Conference Boston, Massachusetts, USA
October 2014
PDF Days North America 2014 was held in Boston in October 2014. The first conference after the publication of PDF/UA (ISO 14289-1:2014), it examined early accessibility implementation in US enterprises, the new PDF/A-3 standard, and the interoperability challenges between US and EU digital signature frameworks.
Conference Berlin, Germany
April 2013
PDF Days Europe 2013 was held in Berlin in April 2013. The conference focused on the recently published PDF/A-2 standard, the near-complete draft of PDF/UA (ISO 14289-1), progress toward ISO 32000-2 (PDF 2.0), and the PDF Association's growing role in open governance of the PDF specification.
Conference Washington D.C., USA
October 2013
PDF Days North America 2013 convened in Washington D.C. in October 2013, bringing together U.S. government agencies, federal contractors, and industry leaders to discuss mandatory adoption of PDF/A for federal records and the emerging PDF/UA standard for accessible government documents.
Conference Berlin, Germany
March 2012
PDF Days Europe 2012, held in Berlin in March 2012, marked the year the PDF/A-2 standard (ISO 19005-2) was published. The event explored the new capabilities of PDF/A-2 including JPEG2000, transparency, and embedded files, while also previewing the forthcoming PDF/UA accessibility standard.
Conference San Jose, California, USA
September 2012
PDF Days North America 2012 took place in San Jose in September 2012, shortly after the publication of ISO 19005-2 (PDF/A-2). Discussions centred on migrating enterprise document archives to PDF/A-2, leveraging new features like optional content and embedded files, and planning for the PDF/A-3 standard.
Conference Berlin, Germany
March 2011
PDF Days Europe 2011 was held in Berlin in March 2011. The conference focused on the final draft of PDF/A-2 (ISO 19005-2), the ongoing work toward ISO 32000-2 (PDF 2.0), early discussions on the PDF/UA accessibility standard, and the expansion of PDF Association membership across Europe.
Conference Washington D.C., USA
October 2011
PDF Days North America 2011 convened in Washington D.C. in October 2011. Sessions examined the growing adoption of PDF/A in U.S. government agencies, the use of PDF in e-discovery (EDRM workflows), and early consideration of PDF/UA as an accessibility standard for federal document production.
Conference Berlin, Germany
April 2010
PDF Days Europe 2010, held in Berlin in April 2010, was one of the first conferences held after PDF 1.7 became ISO 32000-1 in 2008. The event explored the impact of ISO standardisation on PDF adoption, the state of open-source PDF implementations, and PDF/A deployment across European enterprises and public sector bodies.
Conference Washington D.C., USA
September 2010
PDF Days North America 2010 was held in Washington D.C. in September 2010. The event examined the implications of PDF's ISO 32000-1 standardisation for U.S. government procurement and records policy, PDF/A adoption across federal agencies, and the emerging requirements for accessible government PDF documents.
Conference Berlin, Germany
March 2009
PDF Days Europe 2009, held in Berlin in March 2009, was the first PDF Days event following the publication of ISO 32000-1 in 2008. Sessions examined what ISO standardisation meant for European PDF deployment, growing PDF/A adoption in national archives, and early discussions of what would become PDF/A-2.
Conference San Jose, California, USA
October 2009
PDF Days North America 2009 took place in San Jose in October 2009. As the first North American PDF Days following ISO 32000-1 standardisation, the event focused on open standards in enterprise document management, PDF/A deployment experiences, and the growing use of PDF in regulated industries.
Conference Berlin, Germany
April 2008
PDF Days Europe 2008 was held in Berlin in April 2008 — the same year PDF 1.7 was standardised as ISO 32000-1. This landmark event marked the formal transition of PDF from an Adobe-controlled proprietary specification to an open international standard, shaping government and enterprise PDF adoption for years to come.
Conference Berlin, Germany
May 2007
PDF Days Europe 2007 was the inaugural PDF Days event, held in Berlin in May 2007 — two years after the publication of PDF/A-1 (ISO 19005-1:2005). The event marked the founding of the PDF/A Competence Center (later the PDF Association) and established the annual rhythm of European PDF standards conferences.
Conference Portland, Oregon, USA
October 2026
The PDF Technical Conference 2026, held in Portland, Oregon in October 2026, brought together PDF implementors, specification authors, and enterprise adopters to discuss the state of PDF 2.0 adoption, AI-driven document processing, PDF/UA-2 accessibility, and the evolving role of PDF in an AI-first document landscape.
Conference Berlin, Germany
November 2006
PDF Days Europe 2006 was held in Berlin in 2006, the year the PDF Association was founded. The conference addressed the very early real-world adoption of PDF/A-1 (published September 2005), the establishment of the PDF/A Competence Center, and the beginning of the ISO 32000 submission process for PDF 1.7.
Webinar Online
September 2024
The PDF Association TechConnect 2024 was a virtual developer-focused event bringing together PDF library and tool implementors to discuss real-world PDF 2.0 interoperability, PDF/UA-2 progress, and post-quantum signature preparation.
Conference Washington D.C., USA
October 2018
PDF Days North America 2018 was held in Washington D.C. in October 2018. The dominant theme was data privacy — GDPR had come into force in May 2018 — combined with substantial PDF/UA accessibility progress and practical redaction guidance for government and legal sectors.
Conference Berlin, Germany
May 2019
PDF Days Europe 2019, held in Berlin in May 2019, was the first conference where PDF 2.0 (ISO 32000-2:2017) tool support was meaningfully present. The event addressed early PDF 2.0 implementation experience, PDF/UA accessibility progress in the two years since the EU Web Accessibility Directive, and the growing role of electronic signatures under eIDAS.
Conference Washington D.C., USA
October 2019
PDF Days North America 2019 was held in Washington D.C. in October 2019. The dominant themes were PDF/UA enforcement — US federal agencies were under increasing Section 508 scrutiny — and the maturation of automated accessibility testing tools that could validate PDF output at scale.
Conference Online (Virtual)
May 2020
PDF Days Europe 2020 was the first fully virtual PDF Days conference, moving online due to COVID-19 restrictions. Held in May 2020, it covered PDF/A-3 for embedded data exchange, the PDF Association's new PDF 2.0 developer resources, and the surprisingly strong uptake of electronic signatures during the pandemic.
Conference Online (Virtual)
May 2021
PDF Days Europe 2021 was held virtually in May 2021, the second consecutive online-only edition. It addressed the first errata for ISO 32000-2, PDF/UA accessibility amid the hybrid working transition, and PDF/A-3 as the format of choice for pandemic-era automated document exchange.
Conference Online (Virtual)
September 2021
PDF Days North America 2021 was held virtually in September 2021. The conference reviewed two years of Section 508 enforcement experience, the growing maturity of auto-tagging and remediation tools, and early adoption of PDF 2.0 in US federal document workflows.
Conference Berlin, Germany
May 2022
PDF Days Europe 2022 marked the return to in-person in Berlin in May 2022, after two virtual editions. The conference introduced the draft of PDF/UA-2 (which would be published in 2024), covered the PDF Association's new PDF 2.0 reference implementations, and addressed the post-pandemic normalisation of hybrid document workflows.
Conference Berlin, Germany
May 2023
PDF Days Europe 2023, held in Berlin in May 2023, focused on accelerating PDF 2.0 adoption across commercial and government sectors, the near-complete PDF/UA-2 standard, and PDF/A-4 — the first PDF/A variant based on PDF 2.0. The conference also addressed AI-assisted document processing and the challenges of maintaining PDF quality in automated pipelines.
Conference Washington D.C., USA
October 2023
PDF Days North America 2023 was held in Washington D.C. in October 2023. It examined three years of Section 508 enforcement data, practical PDF/UA-2 readiness for US federal agencies, the introduction of PDF/A-4 as the PDF 2.0-based archiving standard, and generative AI tools beginning to enter PDF accessibility workflows.
Conference Berlin, Germany
May 2024
PDF Days Europe 2024, held in Berlin in May 2024, convened one month after the publication of PDF/UA-2 (ISO 14289-2:2024). The conference examined early PDF/UA-2 implementation experience, the NIST post-quantum cryptography standards finalised in August 2024, and the growing integration of LLMs into PDF document processing workflows.
Webinar Online
September 2023
The PDF Association TechConnect 2023 was a virtual developer-focused event dedicated to PDF/A-4 (ISO 19005-4:2020) technical details and PDF 2.0 interoperability testing results. Implementors shared real-world findings from library development and enterprise deployment of PDF 2.0 features.
Conference Washington D.C., USA
October 2024
PDF Days North America 2024 was held in Washington D.C. in October 2024. The dominant themes were AI-assisted PDF accessibility remediation, compliance planning for PDF/UA-2 in US federal agencies, and the practical implications of NIST post-quantum cryptography standards for PDF digital signatures in government infrastructure.
Webinar Online
October 2022
The PDF Association TechConnect 2022 was a virtual event aimed at PDF library and tool implementors. It provided a systematic walkthrough of PDF 2.0 new features that differed from PDF 1.7, focusing on the changes most relevant to library developers: new object types, encryption updates, associated files, and structure element additions.
Conference Berlin, Germany
May 2017
PDF Days Europe 2017, held in Berlin in May 2017, was the last conference before the publication of ISO 32000-2:2017 (PDF 2.0). Sessions previewed the final specification, addressed PDF/UA's growing role under the EU Web Accessibility Directive (adopted October 2016), and reviewed the state of electronic signatures under the newly effective eIDAS regulation.
Conference Berlin, Germany
April 2016
PDF Days Europe 2016 was held in Berlin in April 2016. The conference addressed the maturing adoption of PDF/UA-1 (published 2012), the EU Web Accessibility Directive then under final negotiation, and the final draft of PDF 2.0 (ISO 32000-2) approaching ballot. PDF/A-3 for hybrid invoice workflows was also a major topic as European e-invoicing mandates gained momentum.
Conference Berlin, Germany
April 2015
PDF Days Europe 2015 was held in Berlin in April 2015. The conference examined real-world PDF/A-3 adoption for hybrid document exchange, early enterprise deployments of PDF/UA accessibility, the growing role of digital signatures under national eIDAS precursors, and the work-in-progress PDF 2.0 specification.
Conference Berlin, Germany
May 2018
PDF Days Europe 2018 was held in Berlin in May 2018. GDPR had come into effect six days before the conference — making personal data in PDF metadata, revision history, and embedded content a live legal issue for the first time. Sessions also addressed the maturation of PDF/UA tooling and the growing market for PDF/A-3 electronic invoicing in Germany and France.
Conference Berlin, Germany
April 2014
PDF Days Europe 2014 was held in Berlin in April 2014. The conference addressed the recently published PDF/A-3 (ISO 19005-3:2012), the launch of ISO 32000-2 committee work (the future PDF 2.0), PDF/UA adoption in government and enterprise, and electronic signature developments under the then-draft eIDAS regulation.
Conference Berlin, Germany
April 2013
PDF Days Europe 2013 was held in Berlin in April 2013. It was the first conference following the simultaneous publication of PDF/UA-1 (ISO 14289-1:2012) and PDF/A-3 (ISO 19005-3:2012) — two major standards that significantly expanded PDF's scope for accessibility and embedded-data workflows. Sessions reviewed the technical content of both standards and early implementation challenges.
Conference Washington D.C., USA
October 2022
PDF Days North America 2022 was the first in-person North American PDF Days conference since the COVID-19 pandemic, held in Washington D.C. in October 2022. Five years after the publication of PDF 2.0 (ISO 32000-2:2017), sessions reviewed what had actually been implemented, where compliance gaps remained, and the growing urgency of PDF/UA accessibility in US federal agencies facing Section 508 enforcement.
Conference Washington D.C., USA
September 2016
PDF Days North America 2016 was held in Washington D.C. in September 2016. The conference addressed expanding US federal PDF/A archiving requirements, digital signature interoperability under emerging eIDAS frameworks, and a detailed preview of the nearly-finalised ISO 32000-2 (PDF 2.0) specification.
Conference San Jose, California, USA
October 2015
PDF Days North America 2015 was held in San Jose, California in October 2015. Sessions examined the accessibility gap between existing government PDFs and Section 508 requirements, the practical state of PDF/UA implementation in enterprise authoring tools, and the growing adoption of PDF/A by US federal agencies for long-term records management.
Conference Boston, Massachusetts, USA
October 2014
PDF Days North America 2014 was held in Boston in October 2014. The first conference after the publication of PDF/UA (ISO 14289-1:2014), it examined early accessibility implementation in US enterprises, the new PDF/A-3 standard, and the interoperability challenges between US and EU digital signature frameworks under eIDAS.
Conference Washington D.C., USA
October 2013
PDF Days North America 2013 convened in Washington D.C. in October 2013, bringing together U.S. government agencies, federal contractors, and industry leaders to discuss mandatory adoption of PDF/A for federal records and the emerging PDF/UA standard for accessible government documents.
Conference San Jose, California, USA
September 2012
PDF Days North America 2012 took place in San Jose in September 2012, shortly after the publication of ISO 19005-2 (PDF/A-2). Discussions centred on migrating enterprise document archives to PDF/A-2, leveraging new features like optional content and embedded files, and planning for the upcoming PDF/A-3 standard.
Conference Berlin, Germany
April 2005
PDF Days Europe 2005 gathered PDF practitioners and standards committee members in Berlin as ISO 19005-1 (PDF/A-1) entered its final ballot stage. Discussions focused on font embedding compliance rates, government archive implementation planning, and the broader push to formalise PDF as an ISO standard.
Conference San Jose, California, USA
October 2008
PDF Days North America 2008 in San Jose occurred months after the landmark publication of ISO 32000-1, formally making PDF 1.7 an international open standard. Sessions addressed what this meant for procurement, interoperability, and the emergence of open-source PDF tooling freed from proprietary constraints.
Conference Washington D.C., USA
October 2007
PDF Days North America 2007 in Washington D.C. coincided with the founding year of the PDF Association and the inaugural PDF Days Europe conference. North American attendees engaged with early PDF/A-1 enterprise pilots, government archiving requirements, and the AIIM/ARMA records management community interest in PDF standards.
Conference San Jose, California, USA
September 2006
PDF Days North America 2006 took place shortly after the October 2005 publication of ISO 19005-1 (PDF/A-1). North American attendees were largely government and legal records professionals confronting real questions about PDF/A-1a vs -1b conformance, font embedding at scale, and what the new standard meant for federal records management under NARA guidance.
Conference Online
October 2024
The PDF Accessibility Summit 2024, held online in October 2024, focused on practical PDF/UA-2 implementation: updated Matterhorn Protocol checks, validator readiness in PAC and veraPDF, MathML in accessible science PDFs, and real-world remediation cost data from organisations managing large document backlogs.
Conference Online
October 2021
PDF Association TechConnect 2021 was the first dedicated developer-focused virtual event, held in October 2021. Sessions covered the ISO 32000-2 first corrigendum (clarifying ambiguities discovered in early PDF 2.0 implementations), the surge in cloud-based PDF processing driven by remote work, and early PDF/UA-2 technical drafts.