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ARC Toolkit vs EXPERTE Accessibility Checker: catalog facts
ARC Toolkit	EXPERTE Accessibility Checker
Free Free to install from the Chrome Web Store.	Free Free to use.
Browser extension	Web
Runs inside the browser on the current page Uses TPGi's ARC rules engine	Crawls an entire site in one run 41 checks across eight categories
Checks one page at a time Automated checks do not replace manual testing	Automated checks cannot replace testing with real assistive technology Only works on publicly reachable pages
Browser extension	Web application
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
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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