Tag: accessibility

Creating accessible PDF documents (part 2/3)

What exactly does an accessible PDF look like? After our general introduction (part 1/3), what exactly accessibility means, this second part will show how an accessible PDF document can look like. First of all: In general, a PDF document should always be easy to read, here pay attention to appropriate layout/high contrast, so that even…




Can PDF documents be accessible?

For a long time, the rumour has persisted that PDFs cannot be accessible. Unfortunately, this assumption also persists because the possibilities that exist are used far too seldom and are sometimes less well known. The tags and techniques for making PDFs accessible to all people need to be known and, above all, are simply less…




Matterhorn Protocol 1.1 available

The PDF Association and the UA Technical Working Group have announced that version 1.1 of the Matterhorn protocol is available. This is the 2021 updated version with new error condition and several clarifications. Click here for more info… Version 1.1. is available now and consists of 31 checkpoints covering 136 error conditions. What is the…




PDF/A – The format of the future – Part 4: PDF/UA

Now that parts 1 to 3 of our blog series covered the subject of PDF/A and the formats PDF/A-1, PDF/A-2 and PDF/A-3, it’s time to share some details about the PDF/UA format and how you can use it to generate PDFs that – as its UA designation indicates – will ensure universal accessibility, especially for people with disabilities. The…