Description
ADA Compliance Checker instantly scans any webpage for accessibility violations and highlights exactly which elements fail — right in the browser, with no account required.
Built for developers, designers, QA teams, and business owners who need to know if their site meets WCAG 2.1 AA standards and ADA requirements.
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WHAT IT CHECKS
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✦ Images — missing or empty alt text
✦ Forms — unlabeled inputs, selects, and textareas
✦ Headings — skipped levels, missing H1
✦ Links — empty or non-descriptive link text
✦ Color Contrast — text that fails AA contrast ratios
✦ Keyboard Accessibility — non-focusable interactive elements
✦ ARIA — invalid roles, missing required attributes
✦ Tables — missing headers and captions
✦ Page Language — missing or incorrect lang attribute
✦ Media — audio and video without captions or transcripts
✦ Page Title — missing or generic document titles
✦ Interactive Elements — buttons without accessible names
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HOW IT WORKS
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1. Click the extension icon on any webpage
2. The page scans instantly — no input needed
3. Failing elements are highlighted with color-coded severity: Critical, Serious, Moderate, or Minor
4. Click any issue to jump directly to the element on the page
5. Use the side panel for a full issue list while you browse
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KEY FEATURES
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• 12 WCAG 2.1 AA check categories in one scan
• Color-coded highlights: red (critical) → yellow (minor)
• Element-level detail with WCAG success criterion reference
• Side panel mode — persistent issue list while you navigate
• Filter by severity or category
• No account, no sign-up, no data sent anywhere
• Works on any webpage including localhost
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WHO IT'S FOR
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→ Developers building accessible UIs
→ QA engineers running accessibility checks
→ Designers reviewing live implementations
→ Business owners ensuring ADA compliance
→ Agencies auditing client sites
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NEED A FULL SITE AUDIT?
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The extension scans one page at a time. If you need every page crawled, violations prioritized, and a report your team can act on, visit ada.rareinput.com to request a professional audit.
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PRIVACY
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This extension runs entirely in your browser. No data is collected, transmitted, or stored on any server. It only accesses the active tab when you initiate a scan.
By Rare Input — rareinput.com
Reviews
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Permissions (4)
Permissions
activeTabℹ Can access the current tab when you click the extension scriptingℹ Can inject scripts into web pages sidePanel storageℹ Can store data locally in your browser
Details
| Version | 1.0.0 |
| Updated | Feb 24, 2026 |
| Size | 1.19MiB |
| First Seen | Mar 28, 2026 |
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