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XZ Utils vs bzip3: catalog facts
XZ Utils	bzip3
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free to use, with source code published on GitHub.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
LZMA2 compression gives some of the best ratios available for general-purpose data, and the tools ship on effectively…	Aims for better compression than bzip2 Includes cat, grep and less style helper commands
Compression is slow and memory-hungry at high levels, and the 2024 backdoor incident in the upstream release tarballs…	The .bz3 format is less widely supported than gzip or bzip2 Command line only
Downloadable app	Downloadable app
Open source	Open source
License: 0BSD	License not stated
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.