Accessibility
PDF Accessibility Checker
Check if your PDF document is accessible to screen readers and complies with basic accessibility standards (PDF/UA).
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PDF/UA
无需注册
What We Check
Automated accessibility analysis across key PDF/UA requirements
Tagged PDF
Checks if the document contains structural tags essential for screen readers.
Essential for screen readers
Document Language
Verifies if the primary language is specified for text-to-speech engines.
Logical Structure
Checks for document title, bookmarks, and readable text content.
All PDF Tools
Free online tools to analyze, optimize, and transform your PDF documents.
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