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Catch accessibility issues before they ship.

Find accessibility issues, understand what needs attention, and catch what automated testing misses. All in one Chrome extension.

Get Za11y for Free (opens Chrome Web Store in a new tab)
  • Powered by axe-core
  • No account
  • Data stays in your browser

Built for the whole product team

  • Designers
  • Front-end developers
  • QA engineers
  • Content designers
  • Product managers

// FEATURES

Find issues. Understand them. Verify accessibility.

Run automated WCAG scans, explore detailed results, and complete guided manual checks without leaving the page you’re testing.

01 SCAN

Filter by standards

Choose the WCAG versions and conformance levels that matter to your project — scan against all of them, or focus on specific requirements.

Za11y WCAG standards dropdown with versions 2.0 through 2.2 and levels A to AAA selected

PRIVATE BY DESIGN

No accounts. No uploads. Just scan.

Za11y runs entirely in your browser, so you can test staging and internal pages with confidence.

02 UNDERSTAND

Understand every issue

Why it matters, who it impacts, and how to fix it — with affected elements highlighted right on the page.

Za11y issue detail showing WCAG criteria, impact, confidence and a show highlights toggle

03 VERIFY

Complete the manual review

A built-in checklist for keyboard navigation, focus management, content clarity, and everything else that needs human judgment.

Za11y manual review checklist with keyboard navigation, screen reader and zoom checks

  • Highlight on the page

    Jump from an issue straight to the element that caused it.

  • Download results

    Export findings to share with your team or attach to a ticket.

  • Powered by axe-core

    The industry-standard rules engine behind trusted a11y tools.

Automated scans catch issues. Manual reviews go further.

Automated scan

Seconds per page

  • Color contrast ratios
  • Missing alt text and labels
  • ARIA and landmark errors
  • Heading structure

Guided manual review

Human judgment, structured

  • Keyboard navigation
  • Focus order and visibility
  • Content clarity
  • Screen reader experience

Ship accessible experiences.

Install Za11y in seconds and run your first scan on the page you’re already looking at.

Get Za11y for Free (opens Chrome Web Store in a new tab)

ALREADY INSTALLED?

Try it on our demo page

We built a sample page full of intentional accessibility issues so you can see Za11y in action.

  1. Open the demo page in Chrome.
  2. Click the Za11y icon in your toolbar to open the side panel.
  3. Run a scan and explore the issues it finds.
Open the demo page