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

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