Accessibility Testing Tools

Here are some tools you can use to evaluate web site accessibility.

Online Web Accessibility Evaluators

These tools allow you to enter a web address (URL) for single-page checking.

• WAVE

• Functional Accessibility Evaluator

• ATRC Web Accessibility Checker (AChecker)

• W3C Validator

Browser Plugins and Extensions

Color Contrast Checkers

• WebAIM Color Contrast Checker

• Accessibility Color Wheel 2.0 - Simulates how text/background colors would appear to colorblind viewers.

• Luminosity Colour Contrast Ratio Analyser

• MSF&W Contrast Ratio Calculator

Screen Readers

• Freedom Scientific JAWS - Expensive, but robust, fully-featured, and often used by those with low vision.

• NVDA (NonVisual Desktop Access) Open Source Screen Reader for Windows

• VoiceOver for iOS devices - In iOS, go to the Settings page, select General > Accessibility > Speech

Accessibility Testing Protocols

• Fluid's Accessibility Protocols and Checklists

• IBM's Web Accessibility Checklist

• The California State University Section 508 Manual Website Evaluation

Paid Tools for Scanning and Assisting with Remediation

• AccessibilityOz

• Deque Tools

• SiteImprove