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HashMyFiles vs CalHash: catalog facts
HashMyFiles	CalHash
Free Freeware from NirSoft with no paid tier.	Free Free to use; the developer accepts donations.
Windows, Command line	macOS
Six hash types including SHA-256 and SHA-512 Explorer context menu integration	Calculates and compares checksums in a simple Mac interface Builds matched to each macOS release
Explorer context menu can open several windows when used on multiple files Windows only	macOS only Each build works only on its matching macOS version
Downloadable app	Downloadable app
Closed source	Closed source
License: Freeware	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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