Visualise tab order with ease - taba11y calculates the tab order of all elements and displays it visually, either by drawing a path or by highlighting the elements.

A first-of-its-kind solution that delivers assistive technology user feedback directly to the organizations seeking to deliver accessible digital experiences.

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.

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.

Disable images on current site. Use this extension to disable/enable images on the current site.

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