Tools

The Firefox web browser has a powerful built-in feature called the Accessibility Inspector. It previews how the code of a webpage will be translated into objects for assistive technologies. The webpage linked above provides documentation for using this tool.

This web framework allows visitors to a website to customize the visual presentation and save their individual preferences. It includes ready-to-use components that enable a website to provide individualized visual accessibility.

This desktop application for macOS & Windows can be used to analyze the colour contrast of any elements that appear on a computer screen. It provides WcAG 2.1 compliance indicators, as well as a colour blindness simulator.

These accessibility testing tools can be integrated into Chrome & Firefox using browser plugins, and can also be accessed through Android and iOS apps. This open-source library is completely self-contained, allowing its highly accurate accessibility testing engine to be used in offline testing environments.