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Description
Quickly find and highlight accessibility issues with the AccessibilityChecker.org browser extension. ACE™ Extension by AccessibilityChecker.org Real-time accessibility testing, right in your Chrome workflow. ACE™ catches what static scanners can't: issues triggered by user interaction, including modals, dropdowns, tooltips, dynamic forms, focus traps, and single-page app state changes. The extension runs the same engine that powers the full ACE Platform, so results share the same Rule IDs and Impact Classification (Legal Risk, User Impact, Best Practice). Why test in the browser? Automated scanners only see a page's initial state. If a field becomes required after a selection, or a focus trap only activates once a modal renders, a static scan misses it. This extension tests the page the way users actually experience it. What you can test: • Interactive elements: modals, dropdowns, tooltips, popovers, and expandable panels, in any state • ARIA implementation: custom widget attributes, live regions, labels, and role correctness • Single-page apps built with any framework that renders client-side • Form validation: error messaging, feedback, and required field indicators • Keyboard navigation: tab order, focus traps, and keyboard-only usability Key features: • Instant detection as you interact with the page • Native DevTools panel. No separate app, no context switching • Code-level guidance: exact HTML element, XPath, and a step-by-step fix for every issue • Live region monitoring, showing announcements as they happen • Automatic dashboard sync, de-duplicated against your scanner results Who it's for: • Front-end developers testing interactive features before opening a PR • QA engineers verifying fixes work in a real browser • Accessibility consultants auditing interactive components • Teams who need to test state changes and dynamic content in modern web apps Free to install, runs entirely in your browser, no codebase changes required. Includes up to 3 scans per day at no cost. Upgrade for unlimited scanning, dashboard sync, and team collaboration. Learn more: https://www.accessibilitychecker.org/ace/extension/