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XZ Utils vs Lzip: catalog facts
XZ Utils	Lzip
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free software with no paid tier.
Windows, macOS, Linux, Command line	Linux, Command line
LZMA2 compression gives some of the best ratios available for general-purpose data, and the tools ship on effectively…	Accurate three-factor integrity checking Designed for interoperability and long-term archiving
Compression is slow and memory-hungry at high levels, and the 2024 backdoor incident in the upstream release tarballs…	Single-threaded; plzip is needed for multi-core speed Decompresses more slowly than gzip
Downloadable app	Downloadable app
Open source	Open source
License: 0BSD	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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