Compare software

pixz vs crabz: catalog facts
pixz	crabz
Free Free and open source.	Free Free and open source, dual-licensed under MIT and the Unlicense.
macOS, Linux, Command line	macOS, Linux, Command line
Compresses in parallel across processor cores Indexed blocks allow random access into tar.xz archives	Multi-threaded compression in the style of pigz Supports Gzip, Zlib, BGZF, Mgzip, raw Deflate and Snap
Command line only, with no graphical interface Usually built from source	Described by its author as a proof of concept Handles single streams, not archive formats like ZIP or 7z
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT OR Unlicense
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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