Accessibility Checker, WCAG & ADA Audit

Fast web accessibility audits: WCAG 2.1/2.2 AA, ADA Title III & Section 508 with on-page visual overlays.

Accessibility Checker is a fast, automated web accessibility testing tool designed to help developers, designers, and site owners achieve full WCAG 2.1 & 2.2, ADA compliance, and European Accessibility Act (EAA) standards. Test any webpage with one click, pinpoint accessibility violations with live visual overlays, and fix issues instantly using ready-to-paste code solutions. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 WHY WEB ACCESSIBILITY MATTERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Over 1 billion people live with disabilities. Non-compliant websites risk legal exposure under ADA Title III in the US and the European Accessibility Act (EAA / EN 301 549) in Europe. Accessibility Checker bridges the gap between complex legal guidelines and practical, everyday web development. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚡ CORE ASO-OPTIMIZED CAPABILITIES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔍 1-Click Automated Accessibility Audit Run comprehensive accessibility scans against 100+ industry-standard rules powered by Axe-core 4.10. Receive an instant A11y Health Score (0–100%) categorized into Critical, Serious, Moderate, and Minor impacts. 🎨 Live Visual Highlight & Element Inspector Instantly locate bugs directly on your active page. Elements with accessibility errors are highlighted with clear visual badges. Use the interactive Inspector to click or hover over buttons, links, modals, or forms to view their ARIA structure and parent hierarchy. 🛠️ Instant Code Remediation (Before / After Diffs) Skip the research. Every flagged rule includes an exact code fix snippet. Copy accessible HTML, valid ARIA roles, label tags, and keyboard focus attributes directly into your codebase. 📊 Executive Audit Reports (PDF, HTML, CSV, JSON) Generate professional accessibility audit reports in one click. Export branded executive summaries for clients, stakeholders, compliance documentation, or engineering backlog tickets. 🌐 Multi-Page Site Crawler (Sitewide Audit) Move beyond single-page testing. Crawl multiple pages across your domain to uncover recurring template bugs in navigations, headers, and footers. 👁️ Visual Simulation & Diagnostic Suite • Color Contrast Ratio Checker: Ensure text meets WCAG AA (4.5:1) and AAA (7:1) requirements. • Color Blindness Simulator: Preview pages under Protanopia, Deuteranopia, Tritanopia, and Monochrome filters. • Headings Hierarchy Map: Audit sequential H1–H6 header structures and catch missing heading levels. • Keyboard Tab Stops Tracer: Visualize tab navigation order to ensure seamless keyboard-only navigation. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚖️ STANDARDS & LEGAL COMPLIANCE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • WCAG 2.0, 2.1, and 2.2 (Conformance Levels A, AA, AAA) • Americans with Disabilities Act (ADA Title III) • European Accessibility Act (EAA / EN 301 549 / BFSG / RGAA) • Section 508 (US Rehabilitation Act) • WAI-ARIA 1.2 authoring practices ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 👥 WHO IS THIS EXTENSION FOR? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Front-End Developers: Validate HTML semantics and ARIA tags during development. • QA & Test Engineers: Catch accessibility regressions before production releases. • UI/UX Designers: Verify color contrast and typography readability before handoff. • Agency Teams & Freelancers: Deliver professional accessibility audit PDFs to clients. • eCommerce & Website Owners: Protect against digital accessibility lawsuits and improve SEO. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 PRIVACY & SECURITY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Your website source code and user sessions remain strictly confidential. All DOM evaluations execute 100% locally in your browser sandbox. No page data is transmitted to external servers. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🚀 GET STARTED IN SECONDS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Click "Add to Chrome" and pin the extension to your toolbar. 2. Open any webpage or local web application (HTTP/HTTPS). 3. Click the Accessibility Checker icon or right-click to inspect. 4. Review issues, copy code fixes, and export your compliance report! Install Accessibility Checker today and make your digital experience inclusive for all.