Free PDF Accessibility Checker

Our PDF Accessibility Checker evaluates your documents against WCAG 2.1 AA (Web Content Accessibility Guidelines) standards. This includes checking for proper heading structure, alternative text for images, document language tags, tagged content for screen readers, accessible table structures, sufficient color contrast, and descriptive link text. These standards ensure your PDFs are accessible to people with disabilities, including those using screen readers or assistive technologies.

Absolutely. We take data security seriously. Your PDF files are processed in real-time and are never stored on our servers. All processing happens securely, and your document data is immediately discarded after analysis. This makes our tool safe for sensitive documents used in legal, medical, and academic settings. We recommend reviewing our privacy policy for complete details on our data handling practices.

Yes! This tool is perfect for students and academic researchers who need to ensure their research papers, dissertations, theses, and academic publications meet accessibility requirements. Many universities now require accessible document formats for submissions. Our checker helps you identify and fix accessibility issues before submission, ensuring compliance with institutional accessibility policies.

Our free PDF Accessibility Checker supports files up to 25MB in size. This accommodates most standard documents including lengthy research papers, legal briefs, medical records, and educational materials. If you have larger files or need to process multiple documents, consider signing up for Documind, which offers enhanced processing capabilities and batch checking features.

Our AI analyzer is trained on WCAG 2.1 guidelines and provides highly accurate assessments of PDF accessibility. It identifies structural issues, missing alt text, improper heading hierarchies, and other compliance problems with detailed explanations. While the AI is very reliable, we recommend having critical documents reviewed by accessibility specialists for legal or regulatory submissions, especially in healthcare and legal fields.

Yes! Each issue identified includes specific, actionable recommendations on how to fix it. You'll see severity levels (Critical, Serious, Minor) and detailed guidance for remediation. For more complex fixes, you can click 'Ask Documind how to fix this' to get AI-powered assistance through our main product. Documind provides interactive help for understanding and implementing accessibility improvements in your documents.