Accessibility Tools
Comprehensive tools to test and improve web accessibility. Ensure your site is usable by everyone, including people with disabilities.
WCAG Contrast Checker
Check foreground and background color contrast ratios for WCAG AA (4.5:1) and AAA (7:1) compliance. Get instant pass/fail indicators to ensure your text is readable for people with visual impairments.
Check ContrastAlt Text Analyzer
Analyze image alt text quality. Check length, detect placeholder text like "image" or "picture", and get suggestions for improvement. Essential for screen reader users.
Analyze Alt TextARIA Role Reference
Searchable database of 50+ ARIA roles, states, and properties with usage examples. Learn how to properly implement ARIA attributes for accessible web applications.
Browse ARIA RolesScreen Reader Preview
Preview how screen readers interpret your HTML. See your page content converted to linear text order, revealing what screen reader users actually experience.
Preview Screen ReaderFocus Order Analyzer
Analyze HTML for tab order issues. Check tabindex values, identify problematic focus patterns, and ensure keyboard navigation works properly for all users.
Analyze Focus OrderColor Blindness Simulator
Preview hex colors as seen by people with protanopia (red-blind), deuteranopia (green-blind), or tritanopia (blue-blind). Design with color vision deficiencies in mind.
Simulate Color Blindness