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urlscan.io vs URLVoid: catalog facts
urlscan.io	URLVoid
Freemium Basic scanning is free, with paid plans for heavier or commercial use.	Free The web checker is free; an API is offered separately by APIVoid.
Web, Browser extension	Web
Screenshot of the page without visiting it yourself Records every network request the page makes	Checks 30+ blocklists in one lookup Links to each blocklist's own report
Advanced use requires a paid plan Scans are processed by a third-party service	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
Not stated if it works offline	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.