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WAVETotal Validator
Freemium

The online tool and extensions are free; the API and stand-alone testing engine are paid.

 Freemium

A Basic edition is offered alongside paid Pro and CI editions.

Web, Browser extension Browser extension
  • Shows issues in place on the page
  • Extensions for Chrome, Firefox and Edge
  • Accessibility tests for WCAG 2.2, Section 508 and ARIA
  • HTML, CSS, link and spelling checks in one tool
  • Bulk testing requires the paid API or engine
  • Automated results still need human judgement
  • Advanced features are split across paid editions
  • Supported operating systems are not stated on the homepage
Web application, Browser extension Downloadable app, 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
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

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