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CHK Hash Tool vs RHash: catalog facts
CHK Hash Tool	RHash
Free Free to use freeware.	Free Free and open source under the 0BSD licence.
Windows	Windows, Linux, Command line
Portable, no installation needed Many hash algorithms including BLAKE3 and xxHash3	Supports a wide range of hash algorithms Calculates several hash sums in one pass
Windows only Closed source	Command line only, no graphical interface Many listed algorithms are legacy or niche
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: 0BSD
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.