Accessibility Tools
Client-side utilities and references for auditing WCAG 2.2 Level AA compliance. No account needed — everything runs in your browser.
Tools
Color Contrast Checker
Calculate WCAG contrast ratios between two colors with AA/AAA pass/fail results.
Heading Structure Validator
Paste HTML to validate heading hierarchy and detect structural issues.
ARIA Attribute Validator
Validate ARIA roles, required properties, and detect common anti-patterns.
Touch Target Calculator
Check interactive element dimensions against WCAG 2.5.8 target size requirements.
References
WCAG 2.2 AA Guidelines
Complete WCAG 2.2 Level A & AA success criteria with requirements, common failures, and filtering.
WCAG Design Examples
Visual do/don't examples for WCAG 2.2 AA criteria across 8 design categories.
WCAG Dev Examples
Interactive code examples for ARIA attributes, semantic HTML, focus management, and keyboard patterns.