Accessibility Tools

Free, instant tools for WCAG compliance — no signup, computed right in your browser.

Contrast Checker & Fixer

Check WCAG contrast and get the nearest accessible color that keeps your hue.

Color-Vision Simulator

Preview a color under protanopia, deuteranopia, tritanopia and achromatopsia.

Readability Checker

Flesch reading ease + grade level, with a WCAG 2.2 AAA (3.1.5) check.