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WAVEAccessibilityChecker.org
Freemium

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

 Freemium

The basic scan is free; the monitoring platform and services are paid with a free trial.

Web, Browser extension Web, Browser extension
  • Shows issues in place on the page
  • Extensions for Chrome, Firefox and Edge
  • Free scan with an overview of every issue
  • Fix instructions for each problem
  • Bulk testing requires the paid API or engine
  • Automated results still need human judgement
  • Ongoing monitoring and remediation are paid
  • Automated scans cannot confirm full compliance
Web application, Browser extension 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
Not stated if it works offline Needs internet

Checked September 23, 2026

Checked September 23, 2026

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