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URLVoid vs Norton Safe Web: catalog facts
URLVoid	Norton Safe Web
Free The web checker is free; an API is offered separately by APIVoid.	Free Free to use.
Web	Web, Browser extension
Checks 30+ blocklists in one lookup Links to each blocklist's own report	Quick reputation check before visiting a link Backed by a large security vendor's data
Submitted data is shared with security companies Only reflects what blocklists already know	Verdict comes from a single vendor Little detail on how ratings are decided
Web application	Web application, 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
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.