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

TPGi’s on-demand single-page accessibility testing tool. Use it to remediate failures surfaced in ARC Monitoring scans or as a QA tool.

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

Human-first Accessibility meets AI—Powered action

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.

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.