Compare software

LinkChecker vs Xenu's Link Sleuth: catalog facts
LinkChecker	Xenu's Link Sleuth
Free Free and open source under the GPL.	Free Free to download and use.
Windows, macOS, Linux, Command line	Windows
Recursive, multithreaded crawling of whole sites Many output formats including CSV, XML, SQL and sitemap graphs	Checks links, images, scripts and style sheets Re-checks failures and reports redirects
Command-line only, no graphical interface The PyPI release may lag behind the latest code	Windows only, with no plans for other platforms Dated interface and limited development
Downloadable app	Downloadable app
Open source	Closed source
License: GPL	License not stated
No account needed	No account 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 October 2, 2026

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