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HashCheck vs Hasher: catalog facts
HashCheck	Hasher
Free Free and open source under the BSD-3-Clause license.	Freemium A Lite edition and a Pro edition are available.
Windows	Windows
Integrates hash checks into Windows Explorer Supports SHA-2 and SHA-3	Calculates several checksums in one pass Can compare files or verify a known hash
Windows Explorer extension	Windows only
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-3-Clause	License: CC-BY-NC-ND-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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