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SDelete vs Eraser: catalog facts
SDelete	Eraser
Free Free to download from Microsoft Sysinternals.	Free Free and open source.
Windows, Command line	Windows
Securely deletes files and directories from the command line Cleanses free space on logical disks or physical disks	Securely erases individual files Wipes free space to remove traces of earlier deletions
Available for Windows Does not securely erase file names in free disk space	Windows only Erased data cannot be recovered, so mistakes are permanent
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

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