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

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