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RapidCRC Unicode vs DirHash: catalog facts
RapidCRC Unicode	DirHash
Free Free and open source under the GPL.	Free Free and open source under the BSD-3-Clause licence.
Windows	Windows, Command line
Multithreaded hashing with asynchronous I/O Unicode-aware SFV and checksum files	Single fingerprint hash for an entire folder Wide choice of algorithms including Blake3 and SHA-512
Windows only Source code documentation is sparse	Windows only Command-line interface with no GUI
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-3-Clause
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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