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HashMyFiles vs GtkHash: catalog facts
HashMyFiles	GtkHash
Free Freeware from NirSoft with no paid tier.	Free Free and open source under the GPL-2.0-or-later licence.
Windows, Command line	Linux
Six hash types including SHA-256 and SHA-512 Explorer context menu integration	Supports MD5, SHA1, SHA2, SHA3 and BLAKE2 Graphical alternative to md5sum and sha256sum
Explorer context menu can open several windows when used on multiple files Windows only	Checksums only, no signature verification described Plain GTK interface rather than a modern GNOME design
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-2.0-or-later
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 1, 2026

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