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Offline Explorer vs HTTrack: catalog facts
Offline Explorer	HTTrack
Paid Commercial software sold in several editions.	Free Free software released under the GNU GPL.
Windows	Windows, macOS, Linux
Archives anything from a single page to a large website Filters downloads by file type	Keeps the relative link structure of the original site Updates existing mirrors and resumes interrupted copies
Commercial, with no free edition Windows only	Long gap between the 3.49 and 3.50 releases Windows XP and Vista are limited to the older 3.49-2 release
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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