Accessibility tools
Contrast, colour-blindness, headings and captions. Ship interfaces everyone can use.
7 tools · no sign-up · no daily limit
Contrast Checker
Check text against WCAG AA and AAA.
runs on your deviceAccessible Palette
Build a palette that passes contrast at every pairing.
runs on your deviceColour-Blindness Simulator
See a design as different types of colour vision do.
runs on your deviceHeading Structure Checker
Find skipped levels and broken document outlines.
runs on your deviceAlt Text Auditor
Find missing or unhelpful image alt text.
runs on your deviceTap Target Checker soon
Flag controls smaller than the 44px minimum.
runs on your deviceCaption / SRT Validator
Check subtitle timing and formatting.
runs on your device