Accessibility Testing Tools

Accessibility testing tools are software programs or online services that help determine whether web content meets accessibility guidelines. These resources are some of the 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 (browser inspector plugin for Firefox)
• aXe Web Accessibility Testing (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 (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)

• 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)

• The Colour Contrast Analyser (free desktop application for Windows and Mac)
• NoCoffee (color deficiency simulator browser plugin for Chrome)

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

• 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)

• Accessibility Scanner (Android mobile app accessibility scanner)
• aXe for Android (Android mobile app accessibility scanner)
• iOS Simulator (a device simulator for application development testing)

• JAWS (Screen reader for Windows, license required)
• NVDA (Free open source screen reader for Windows)
• Narrator (Built-in screen reader, Windows)
• VoiceOver (Built-in screen reader, Mac desktop and iPhone/iPad)
• ChromeVox (Built-in screen reader, Chrome OS)
• TalkBack (Built-in screen reader, Android)
• ZoomText (Screen magnifier for Windows, license required)
• Dragon (Speech recognition software, license required)