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3 free tools to check WCAG compliance. Test color contrast against AA/AAA standards, validate heading structure, and audit font spacing requirements.
Check foreground and background color contrast against WCAG AA and AAA standards. Instant pass/fail results.
Accessibility ToolsPaste HTML source code and validate your heading hierarchy for SEO and accessibility. Find missing H1s, skipped levels, empty headings.
Accessibility ToolsCheck your typography against WCAG 1.4.12 Text Spacing requirements. Live preview, auto-fix, and copy-paste CSS output.
Free online accessibility testing tools that run 100% in your browser. Check color contrast ratios against WCAG 2.1 AA and AAA standards, validate HTML heading hierarchy for screen readers, and audit text spacing for WCAG 1.4.12 compliance. Your code and data never leave your device.
The contrast checker tests against WCAG 2.1 Level AA (4.5:1 for normal text, 3:1 for large text) and Level AAA (7:1 for normal text, 4.5:1 for large text). The spacing checker validates against WCAG 2.1 Success Criterion 1.4.12.
Screen reader users navigate pages by jumping between headings. Skipped heading levels (H1 to H3 without H2) or missing H1 tags break this navigation, making your content harder to understand and hurting SEO rankings at the same time.