Outloud

Outloud is a PDF accessibility checker that runs on multiple platforms (macOS, Linux) and environments including terminal, continuous integration pipelines, and browsers. It evaluates PDF/UA-1 and WCAG 2.2 compliance, going beyond standard validators by including semantic checks that identify real accessibility issues such as poor alternative text and structural tagging problems. It provides detailed results with actionable fixes and supports output in JSON, SARIF, and HTML formats for integration into developer workflows and pipelines.