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On the recordRead 11 Oct 202620 facts
WCAG Checker
Plans and prices
WCAG Checker
Free
Local web app · URL, HTML, and PDF audits · HTML and JSON reports
Read 11 Oct 2026 · github.com
On the record
- Audit limitation
- The README says automated tools catch roughly 30–50% of accessibility issues and describes this tool as a first pass rather than a replacement for a full audit.github.com · read 11 Oct 2026
- Automated scans
- Yesgithub.com · read 25 Sep 2026
- Browser extension
- Nogithub.com · read 25 Sep 2026
- CI/CD integration
- Nogithub.com · read 25 Sep 2026
- Default network exposure
- The server binds to 127.0.0.1 by default, with an option to bind to another interface using HOST=0.0.0.0.github.com · read 11 Oct 2026
- License
- The project is MIT-licensed.github.com · read 11 Oct 2026
- Local processing
- The project says URLs, HTML, and documents never leave the user's machine.github.com · read 11 Oct 2026
- Manual review tools
- Nogithub.com · read 25 Sep 2026
- PDF availability
- Without Java, web and HTML scans still work, but PDF scans fail until Java is available.github.com · read 11 Oct 2026
- PDF mapping limitation
- The PDF/UA-to-WCAG mapping is described as coarse-grained rather than a rigorous Matterhorn Protocol mapping.github.com · read 11 Oct 2026
- PDF scans
- It uses veraPDF to validate PDFs against PDF/UA-1 and maps failing rules to relevant WCAG 2.2 success criteria.github.com · read 11 Oct 2026
- Purpose
- WCAG Checker is a local web app for auditing web pages, HTML snippets, and PDFs against WCAG 2.2 Level AA.github.com · read 11 Oct 2026
- Remediation guidance
- Nogithub.com · read 25 Sep 2026
- Reports
- Scans can be exported as a self-contained HTML report or machine-readable JSON.github.com · read 11 Oct 2026
- Requirements
- It requires Node.js 18 or newer; Java 11 or newer is needed for PDF scans.github.com · read 11 Oct 2026
- URL scan limit
- A URL page must return HTTP 200 and load within 45 seconds; pages behind logins or with heavy JavaScript may not finish.github.com · read 11 Oct 2026
- WCAG coverage
- wcag 2.2github.com · read 25 Sep 2026
- Web scans
- It uses axe-core in headless Chromium via Playwright to scan URLs and HTML.github.com · read 11 Oct 2026
