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 tool for making custom branded color palettes for web and UI design that are built from the ground up to meet WCAG contrast accessibility guidelines

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.

mcp-axe is a MCP-compatible plugin for automated accessibility scanning

Colour contrast checker to check for accessibility issues.

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.