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.

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

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

Colour contrast checker to check for accessibility issues.

Use TPGi's free colour contrast checker to optimize your content - including text and visual elements - for individuals with color-blindness or low vision impairments.

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