Planet Earth with the light of cities illuminating Europe and the Middle East.
New large-scale PDF corpus now publicly available

This new corpus – nearly 8 million PDFs totaling about 8 TB – was gathered from across the web in July/August of 2021.



PDFpackage – a lightweight content management platform

In a recent article I discussed using PDF as a container to organize, transport and archive collections of content. Since then I’ve had numerous discussions about this idea with members of the PDF technology and related communities. This article is an …

PDF 2.0 Interop Workshops: Request, Test and Assess

To maximize both the opportunities and the benefits of testing, the third PDF 2.0 interop workshop makes it possible for developers of PDF consumer products to ask for and discuss test cases addressing specific PDF features before the formal event …

2018 PDF 2.0 Interop Workshop

Following the success of our previous interop workshops in Cambridge, England and Boston, Massachusetts, the 3rd PDF 2.0 Interop Workshop takes place on May 16, 2018 as part of the post-conference program immediately following this year’s PDF Days Europe, in …

A double anniversary for PDF Days Europe 2018

Richard Cohn, Principal Scientist at Adobe, one of the two co-authors of the original PDF specification in the era of Acrobat 1.0 gives the keynote on 25 years of PDF during the PDF Europe 2018.

SD Times features PDF 2.0

SD Times, a leading periodical targeting systems and application developers, has featured PDF in its December 2017 publication. The journalists at SD Times interviewed various members of the PDF technology community, including experts from several PDF Association member companies, to …

Adobe steps up on standards adoption

The November 2017 updates for Acrobat DC, now available from Adobe, include some significant news for those who pay attention to ISO standards-adoption. This release, 18.xx for those on the “Continuous” track, includes the following, among other improvements: Accessibility: Adobe …

PDF 2.0: The worldwide standard for electronic documents has evolved

The Portable Document Format is perhaps the most common example of a de facto standard, so much so that Wikipedia features PDF on its “de facto standards” page. From Ethernet and 802.11 to HTTP and CSS, the modern computing stack …

Cover of PDF 2.0.

PDF 2.0 examples now available

The PDF Association is proud to present the first PDF 2.0 example files made available to the public. Created and donated to the PDF Association by Datalogics, this initial set of PDF 2.0 examples were crafted by hand and intentionally …

PDF 2.0 interops help vendors

The PDF 2.0 interop workshops included many vendors with products for creating, editing and processing PDF files. They came together in Boston, Massachusetts for a couple of days to test their own software against 3rd party files.

Interop workshops: building a test matrix

How will the PDF 2.0 interop workshops work? This article explains the process of building the test-matrix to establish possibilities for pair-wise testing.