Compare software

Plzip vs pixz: catalog facts
Plzip	pixz
Free Free software.	Free Free and open source.
Linux, Command line	macOS, Linux, Command line
Uses many CPU cores on large files Output is standard lzip, readable by other lzip tools	Compresses in parallel across processor cores Indexed blocks allow random access into tar.xz archives
Slightly larger files than single-threaded lzip No speed benefit on small files	Command line only, with no graphical interface Usually built from source
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account 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 September 24, 2026

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