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Norton Safe Web vs URLVoid: catalog facts
Norton Safe Web	URLVoid
Free Free to use.	Free The web checker is free; an API is offered separately by APIVoid.
Web, Browser extension	Web
Quick reputation check before visiting a link Backed by a large security vendor's data	Checks 30+ blocklists in one lookup Links to each blocklist's own report
Verdict comes from a single vendor Little detail on how ratings are decided	Submitted data is shared with security companies Only reflects what blocklists already know
Web application, 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
Needs internet	Not stated if it works offline
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.