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Zstandard vs lrzip: catalog facts
Zstandardlrzip
Free

Free and open source, dual licensed BSD or GPLv2.

Free

Free to use with source on GitHub.

Windows, macOS, Linux, Command line Linux, Command line
  • Compression close to zlib's ratio at several times the speed, and much faster decompression
  • The format is standardised in RFC 8878 with multiple independent implementations
  • Finds redundancy far apart in very large files
  • Includes LZMA and ZPAQ compression back ends
  • A command-line tool with no graphical interface of its own
  • Maximum ratio is below xz or 7z at their slowest settings, which is the trade it makes on…
  • Newer format is not backward compatible with older versions
  • Gains are small on small files
Downloadable app Downloadable app
Open source Closed source
License: BSD-3-Clause License not stated
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked September 24, 2026

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