Introduction
XZ for Java aims to be a complete implementation of XZ data compression in pure Java.
Features:
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Single-threaded streamed compression and decompression
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Random access decompression
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LZMA2, Delta, and BCJ filters[1]
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Support for the old .lzma format in addition to .xz
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Raw compressed streams without any file format headers
Threading is planned but has not been implemented.
Documentation
The API documentation was generated from the latest release with javadoc.
Releases
Version 1.9 was released on 2021-03-12. See the NEWS file for the summary of changes between versions.
The release files have been signed with this OpenPGP key.
Source code
xz-java-1.9.zip (153 KiB) signature
Binaries
XZ for Java is available in Maven Central:
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groupId=org.tukaani -
artifactId=xz
Development
The Git repository is on GitHub:
git clone https://github.com/tukaani-project/xz-java
The repository is mirrored to git.tukaani.org as well.
Licensing
Version 1.9 and older are in the public domain. The upcoming 1.10 and later versions will be under the BSD Zero Clause License (0BSD).