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Tarsnap vs rsync.net: catalog facts
Tarsnap	rsync.net
Paid Prepaid usage billing at $0.25 per GB-month stored and $0.25 per GB transferred, with no…	Paid Paid storage service; prices are listed on the website.
macOS, Linux, Command line	Command line
Client-side encryption with keys only you hold Deduplication uploads only changed data	Works with standard tools like rsync, borg, restic and rclone ZFS-based storage
Command line only, with no graphical interface No native Windows client, only Cygwin or WSL	Assumes comfort with SSH and the command line Storage only; you bring your own backup software
Downloadable app, Hosted service	Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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