Compare software

b3sum vs DirHash: catalog facts
b3sum	DirHash
Free Free and open source, dual-licensed under CC0 and Apache 2.0.	Free Free and open source under the BSD-3-Clause licence.
Windows, Command line	Windows, Command line
Familiar sha256sum-style interface BLAKE3 hashing is fast on large files	Single fingerprint hash for an entire folder Wide choice of algorithms including Blake3 and SHA-512
BLAKE3 checksums are less widely published than SHA-256 ones No prebuilt releases on the GitHub repository	Windows only Command-line interface with no GUI
Downloadable app	Downloadable app
Open source	Open source
License: CC0-1.0 OR Apache-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

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