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PDF4WCAG

Produced by Dual Lab sprl

Web-based PDF Accessibility checker

PDF4WCAG helps quickly and easily validate the accessibility of PDF documents against multiple accessibility standards such as WCAG, PDF/UA-1, PDF/UA-2, Well-Tagged PDF (WTPDF). It is powered by the veraPDF validation architecture and is identical to veraPDF in machine verifiable checks of PDF/UA and WTPDF validation profiles.

Key features of PDF4WCAG:

  • Automated accessibility checker: instantly checks PDFs for WCAG compliance.
  • Powered by proven veraPDF technology.
  • Include experimental AI-based implementation of human checks.
  • Detailed issue identification: provides clear feedback with suggestions for improvement.
  • Easy to use web interface: upload your PDF, and get results in seconds.
  • No expertise required: designed for anyone, regardless of technical knowledge.
  • Desktop application compatible with Windows, Linux and macOS: data privacy guaranteed.
  • WCAG 2.2 Human rules add verification of the appropriate use of PDF tags based on experimental AI model.
  • Supports PDF 2.0 and PDF/UA-2.
  • FREE for non-commercial use.
  • API under commercial license.

How to use this application?

  • Upload your PDF document, choose validation profile and start validation.
  • Get the report with the list of errors, visual preview of the related content, and additional technical details.
  • Inspect the corresponding tag(s) in the document structure tree.

PDF4WCAG logo

Product Type

Cloud / web service

PDF Type

PDF/UA PDF Reuse WTPDF

Features

Tagged PDF Reuse Validate Object data
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