JAN examines various types of disabilities and provides suggestions for potential workplace accomodations.

Allows you to specify a foreground and a background color to determine if there is a high enough contrast.

Browser extension that works specifically with Firefox. Checks for compliance with the contrast levels of foreground and background colors combination based on the requirements of WCAG 2.2

WAVE is a suite of evaluation tools that helps authors make their web content more accessible to individuals with disabilities. Includes Chrome, Firefox, and Edge browser extensions, WAVE API and Testing Engine, and Accessibility IMpact Report

Guidelines on how to write effective Alt Text

Strategies, standards, and supporting resources to help you make the Web more accessible to people with disabilities.

Catches mistakes in HTML, CSS, and SVG.

Accessibility of web pages can be hard to observe. These bookmarklets help web developers and designers see the "big picture" regarding web accessibility, including making otherwise hidden accessibility features on web pages more visible, showing whether HTML markup is used with proper semantics for accessibility, and flagging elements or regions on web pages where information that could improve accessibility is missing

Checks HTML source code and detects violations of a defined coding standard.