Best Tools For Accessibility Testing

Having good accessibility is important so that people with disabilities can use your app effectively. Ensure your app is accessible to all with our collection of hand-picked accessibility testing tools and resources.

A color contrast checker for modern CSS color formats.

Automatically detect accessibility issues in web pages using AI

Check and suggests colors to meet the required WCAG or APCA contrast ratio.


A tool to test web content for accessibility and 508 compliance.

A free online ADA and WCAG compliance checker.

Jumpstart Your Web Accessibility Efforts Directly in Google Chrome

Check compliance with WCAG 2.0 minimum contrast

An open-source web accessibility checker


Test for accessibility for people who have limited or no use of their hands

Static AST checker for a11y rules on JSX elements.

Accessibility Checker for Developers, Testers, and Designers in Chrome

Accessibility Insights for Web helps developers quickly find and fix accessibility issues.

Great tool for checking color contrast for both text and images of text.

A tool to calculate the contrast ratio between any two valid CSS colors.

Creates easy to read HTML file from axe-core accessibility results object

Accessibility engine for automated Web UI testing

An annual accessibility analysis of the top 1,000,000 home pages

Educating customers on web-accessibility overlays.

A CSS stylesheet to quickly highlight a11y concerns.

Easily spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support in your web applications.


iOS touch synthesis library


Salesforce Automated Accessibility Testing Libraries


Web Accessibility evaluation tool


Open source screen reader

Checks contrast for WCAG compliance


Range of free and open source tools to help designers and developers make their web pages more accessible.