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

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