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Free PDF check

Is your PDF accessible?

Upload your PDF to check whether it is accessible. You see which rules of PDF/UA, the international standard for accessible PDFs, it breaks: in plain language and with the pages they were found on. The check runs on veraPDF, the open-source validator.

  • Free
  • No account
  • File is not stored

PDF/UA check

PDF up to 10 MB and 50 pages

A checker sees the rules. Not the meaning.

Software can test the rules. Whether a document makes sense takes an AI review and a person with the final say.

Free check

machine-checkable rules only

PDF/UA · ISO 14289

  • All content tagged or marked as an artifactchecked
  • Every image has an alternative textchecked
  • Language and title setchecked
  • Fonts embedded and readablechecked
  • Tables, lists and links structured correctlychecked

Beyond what a checker can decide

  • Does the alternative text say what matters?not checked
  • Does the reading order follow the meaning?not checked
  • Do the headings form a real hierarchy?not checked
  • Is the text contrast enough under WCAG?not checked
  • Has a person checked the result?not checked

The full check · AI review, human in the loop

PDF/UA-1 and PDF/UA-2 · ISO 14289

  • Every machine-checkable rulechecked

WCAG 2.1 · success criteria

  • Contrast measured and correctedcorrected

AI review · beyond the checkers

  • Alternative text describes each imageverified
  • Reading order follows the meaningverified
  • Headings form a real hierarchyverified

Human in the loop

  • You review every change and have the final sayyour call
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