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Dr. Link Check vs Xenu's Link Sleuth: catalog facts
Dr. Link Check	Xenu's Link Sleuth
Freemium A free check is available, with paid plans for larger or repeated checks.	Free Free to download and use.
Web	Windows
Flags links to malware and phishing sites, not only dead ones Checks resources such as images and style sheets	Checks links, images, scripts and style sheets Re-checks failures and reports redirects
Requires JavaScript in the browser Larger sites need a paid plan	Windows only, with no plans for other platforms Dated interface and limited development
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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