A11ysaurio PDF Checker is a WordPress plugin that analyzes PDF documents in the Media Library for WCAG 2.1 and PDF/UA accessibility issues. It detects structural problems, missing metadata, headings, and tables while keeping PDF processing in the browser.
In the Structured data & machine readability space, A11ysaurio PDF Checker takes a focused approach. It focuses on checking uploaded PDF documents for accessibility compliance without manually using separate validation tools. It is built as a B2B product for wordPress site owners and accessibility professionals. A11ysaurio PDF Checker is available on the web.
It is developed by José Humanes, and it first shipped in 2026. Key capabilities include automatic analysis, WCAG validation, and PDF/UA validation. The interface is available in English and Turkish.
Summary written by a language model from the project’s public pages.
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