Download PAC

PAC 2024.1

Here you can download the latest version of 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 

1 February 2024: – Release notes


System requirements

Supported operating systems

  • Windows 10
  • Windows 11

Additional requirements

Microsoft .NET Framework 4.8 and higher

How to check your PDF for accessibility with PAC

If you are using PAC for the first time or would like to know more about the new Quality Checks, it is worth taking a look at our instructions.

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)