Compare software

ARC ToolkitAccessibilityChecker.org
Free

Free to install from the Chrome Web Store.

 Freemium

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

Browser extension Web, Browser extension
  • Runs inside the browser on the current page
  • Uses TPGi's ARC rules engine
  • Free scan with an overview of every issue
  • Fix instructions for each problem
  • Checks one page at a time
  • Automated checks do not replace manual testing
  • Ongoing monitoring and remediation are paid
  • Automated scans cannot confirm full compliance
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.