Featured articles

Image of Techniques for Accessible PDF: Headings

Techniques for Accessible PDF: Headings

Document accessibility roles and responsibilities

Brotli compression coming to PDF

Discover pdfa.org

Review publications from the PDF Association and ISO
The technical index lists critical resources for developers
Learn which companies are PDF Association members
Review hundreds of presentations from our events

Key resources

Try the new VS Code extension for PDF syntax
Check out our cheat sheets for PDF developers
Get PDF’s latest specification, ISO 32000-2 at no cost
Add ISO 32000-2 errata via our public GitHub repo, and check out the resolutions

Get involved

Discover the benefits of PDF Association membership
Join the PDF Association!
Review the PDF technical community’s working groups

How do you find the right PDF technology vendor?
Use the Solution Agent to ask the entire PDF communuity!

The PDF Association celebrates its members’ public statements
of support for ISO-standardized PDF technology.

Explore membership benefits

Explore membership benefits

ISO 32000 bundle is now updated!

ISO 32000 bundle is now updated!

Become a Member!

Become a Member!

Thomas Leitner

Thomas Leitner is the founder of gettalong EDV-Dienstleistungen e.U., the company behind the PDF library HexaPDF.

Thomas Leitner's Publications

Presentation April 25, 2022

Implementing a PDF Library in Ruby

HexaPDF (https://hexapdf.gettalong.org) is a PDF library written in Ruby. It aims to provide the full spectrum of PDF functionality with … Read more

WordPress Cookie Notice by Real Cookie Banner