Download PAC

PAC 2024.2.1 beta

Download the latest version of PAC with the latest fixes, including provisional support for the PDF 2.0 standard and the PDF/UA-2 standard.

Current version 

16 May 2024: beta – Release notes

PAC 2024.2

Here you can download PAC free of charge and without registration. In addition, we can keep you up to date with updates or new resources on checking for PDF accessibility.


By downloading and using PAC, you agree to our end user license agreement.


Current version 

18 April 2024: – Release notes


System requirements

Supported operating systems

  • Windows 10
  • Windows 11

Additional requirements

Microsoft .NET Framework 4.8 and higher

Accessibility Conformance Report

The PAC user interface is mostly, but not completely, accessible. Read the Accessibility Conformance Report that we have commissioned.

PAC update notification

You can register for our PAC update notification so that you are always informed immediately when there is a new version of PAC. Click on the button "PAC Update" below to start your subscription.

Earlier versions of PAC

We generally recommend that you use the latest version of PAC. If you are unable to do this or would like to get to know previous versions of PAC, we have compiled the downloads for you here.

PAC 2021

Version 2021 supported testing according to WCAG 2.1 AA success criteria for the first time. In this context, a new color contrast check was implemented.

Download (ZIP, 58 MB)


Version 3 included for the first time a printable summary report in the form of an accessible PDF which is often used as proof of quality.

Download (ZIP, 27 MB)