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Button Contrast Checkeraxe DevTools
Free

Free to use.

 Freemium

The browser extension has a free tier; wider toolkits are paid and sold through Deque.

Web Web, Browser extension
  • Tests all buttons and links on a page at once
  • Checks default, hover and focus states
  • Built on the widely used axe-core rules engine
  • Checks run directly in the browser on the current page
  • Only checks buttons and links, not all text on the page
  • Needs a publicly reachable webpage to scan
  • Automated checks do not replace manual accessibility testing
  • Advanced features are enterprise products sold through sales
Web application Hosted service, Browser extension
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.