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Brotli vs crabz: catalog facts
Brotli	crabz
Free The open-source application is available without a license fee.	Free Free and open source, dual-licensed under MIT and the Unlicense.
Windows, macOS, Linux	macOS, Linux, Command line
Command-line tool and reusable compression library	Multi-threaded compression in the style of pigz Supports Gzip, Zlib, BGZF, Mgzip, raw Deflate and Snap
The stream format does not include checksums or original length metadata.	Described by its author as a proof of concept Handles single streams, not archive formats like ZIP or 7z
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT OR Unlicense
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.