Accessibility Testing Tools

Accessibility testing tools are software programs or online services that help you determine if web content meets accessibility guidelines. Here are some of the most widely used tools in the industry.

Web Page Scanners

• Accessibility Insights - From Microsoft, a suite of tools for accessibility testing Android and Windows apps, and web content.
• aXe Developer Tools - A browser inspector plugin for Firefox.
• aXe Web Accessibility Testing - A browser inspector plugin for Chrome.
• WAVE Web Accessibility Evaluation Tool - A web based site inspector, and/or browser inspector plugin for Firefox and Chrome.
• Lighthouse Tools for Web Developers - A browser inspector plugin for Chrome.
• ARC Toolkit - A browser inspector plugin for Chrome.
• Juicy Studio Tools - Free online tools and Firefox extensions.
• aViewer - Free desktop application for windows.
• Functional Accessibility Evaluator - An automated testing tool that scans multiple pages from a web browser portal.

Web Developer Tools

• Accessibility Inspector - A standard accessibility inspector feature within Firefox.
• Safari Web Developer Tools - Safari’s Web Inspector for macOS from Apple.
• Testing for Accessibility on OS X - macOS accessibility testing resources from Apple.
• Keyboard Access Check Page - The most basic elements coded in the most basic accessible way, so that developers can double check their configuration before testing screens for keyboard access.

Color Analyzers

• The Colour Contrast Analyser - Free desktop application for windows and Mac.
• The Accessibility Color Wheel - Web based color contrast analyzer.
• NoCoffee - Color deficiency simulator browser plugin for Chrome.

Code Validators

• W3C Nu markup HTML conformance checker - Web-based HTML Code validator.

Bookmarklets

• Favelets for Checking Web Accessibility - JavaScript browser bookmarks for testing specific elements from Jim Thatcher.
• JavaScript Bookmarklets for Accessibility Testing - JavaScript browser bookmarks for testing specific elements from Paul J. Adam.

Mobile Accessibility Testing Tools

• Accessibility Inspector - Android mobile app accessibility scanner.
• aXe for Android - Android mobile app accessibility scanner.
• iOS Simulator - A device simulator for application development testing.