PAC (PDF Accessibility Checker)

What PAC (PDF Accessibility Checker) is

PAC (PDF Accessibility Checker) is a free Windows desktop application for assessing PDF accessibility. Its Free plan costs nothing and includes PDF/UA and WCAG checks, quality checks, and AI-assisted checks. The product covers WCAG 2.2 and combines automated scans with tools for manual review, supporting both software-based checks and reviewer-led assessment. It also provides remediation guidance for addressing accessibility issues. PAC is made by PAC (PDF Accessibility Checker), founded in 2010 and headquartered in Zurich, Switzerland. The listed platform is Windows; mobile testing, a browser extension, and CI/CD integration are not available. Its stated focus is checking PDFs against accessibility criteria, rather than testing across multiple platforms. For users assessing PDFs on Windows, the free application brings automated and manual checking together with guidance for remediation.

Who it suits

PAC suits people checking PDF accessibility on Windows who need automated scans as well as tools for manual review. It is also relevant to users who want PDF/UA and WCAG 2.2 checks with remediation guidance.

Limits

The Free plan is listed as free and includes PDF/UA and WCAG checks, quality checks, AI-assisted checks, and the Windows desktop application. No plan quota or trial length is listed.

Getting started

1. Visit the PAC website.
2. Use a Windows desktop application.
3. Start with the Free plan at no cost.

Verdict

PAC provides a free Windows tool for PDF accessibility checks, including automated scans, manual review, and remediation guidance. It does not offer mobile testing, a browser extension, or CI/CD integration.