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DiskCryptor vs WD Security: catalog facts
DiskCryptor	WD Security
Free Free, with source code published on GitHub.	Free Free download for owners of supported Western Digital drives.
Windows	Windows, macOS
Encrypts system and non-system partitions Open source code	Uses the drive's own AES hardware encryption Simple set, change, remove and unlock functions
Windows only Smaller project than mainstream disk encryption tools	Only works with supported Western Digital drives A forgotten password means erasing the drive and losing its data
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
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.