aDesigner is a disability simulator that helps designers ensure that their content and applications are accessible and usable by the visually impaired.

An open-source, automated tool to help you improve the quality of web pages. You can run it on any web page, public or requiring authentication.

A website for getting different information for colors (different formats, complementary color) , especial a color blindness simulator.

Evaluate web accessibility within your browser. WAVE is a web accessibility evaluation tool developed by WebAIM.org.

Robust, efficient and accurate accessibility testing tools for all Built on the world’s most popular accessibility testing library, axe-core. Deque’s suite of axe tools offers full coverage for your testing and compliance needs.

Transform your browsing experience with a powerful greyscale browser extension