New PDF Accessibility Checker by Dual Lab
December 22, 2025
December 22, 2025

About Dual Lab sprl
Dual Lab is glad to announce a new PDF Accessibility Checker available immediately for tests and download at PDF4WCAG.
Our new product PDF4WCAG Accessibility Checker helps quickly and easily validate the accessibility of PDF documents according to WCAG, PDF/UA-1, PDF/UA-2 and Well-Tagged PDF requirements.
It is powered by the veraPDF validation architecture and is identical to veraPDF in Machine verifiable checks of PDF/UA-1, PDF/UA-2 and Well-Tagged PDF profiles.
Additionally, it includes experimental AI-based heuristics to validate appropriate use of the PDF semantics.
PDF4WCAG Accessibility Checker is free for non-commercial use and is supported by Dual Lab.
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Dual Lab provides top quality product development services in graphics arts and other technology-intensive areas. This includes processing of virtually any known file format in computer graphics, PDF/Postscript generation, conversion and editing, deep knowledge of font technologies and typography challenges, expertise in web2print and XML publishing solutions, plug-in development for…
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