A11y Scanner - WCAG Accessibility Checker

by https://www.brillmark.com/ · brillmark.com · Accessibility

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Free DevTools accessibility scanner. Detect WCAG 2.1, 2.2 & ARIA issues instantly on any webpage.

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#95K

#79K among extensions

Version

1.0.1

updated 5 May 2026

Users

monthly, 6 months

Latest, 15 Oct 2026: 71 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About A11y Scanner - WCAG Accessibility Checker

A11y Scanner – Free WCAG Accessibility Checker for DevTools A free, powerful accessibility testing extension built directly into Chrome DevTools. Instantly scan any webpage for accessibility issues and build more inclusive, compliant websites. A free alternative to tools like axe DevTools — no account, no paywall, no limits. ----- WHAT IT DETECTS ----- - WCAG 2.1 violations - WCAG 2.2 violations - ARIA misuse and missing attributes - Color contrast issues - Missing alt text, labels, and roles - Keyboard navigation & focus order problems - Semantic HTML issues ----- KEY FEATURES ----- - Built into Chrome DevTools — no popup clutter - One-click full page scan - Detailed issue reports with element highlighting - Actionable fix suggestions for every issue - Completely free — no sign up required - Lightweight and privacy-friendly ----- WHO IS IT FOR? ----- - Front-end developers building accessible UIs - QA engineers running accessibility audits - UX/UI designers checking contrast and structure - Agencies ensuring WCAG compliance for clients - Anyone building ADA or Section 508 compliant websites ----- HOW IT WORKS ----- Open Chrome DevTools, navigate to the A11y Scanner panel, and click Scan. The extension instantly analyzes the page and lists all accessibility violations with element references and recommended fixes. Build websites everyone can use. Install A11y Scanner free today. Built by Brillmark | https://www.brillmark.com