Compare software

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

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