XZ — XZ Compressed File

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XZ is a single-file compression format using the LZMA2 algorithm, which provides some of the best compression ratios available for general-purpose single-file compression. It is the default format for many Linux distribution packages and kernel releases. While compression is slow, decompression is surprisingly fast, making it ideal for distributable archives.

2 conversions available

Source format(.xz)

Target format(.gz)

Accepted files :.xz

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Max 25 MB · XZ only

✓Common use cases

›Linux kernel and software release compression
›Arch Linux package format (.pkg.tar.xz)
›Maximum compression of source code and text
›Firmware and embedded image distribution
›Long-term archiving of important data

★Advantages

›Best single-file compression ratio of common formats
›Fast decompression relative to compression level
›Multi-threaded compression support
›Strong integrity checking (SHA-256 option)
›Open standard with multiple implementations

⚙Technical details

LZMA2 algorithm inside an XZ container; supports integrity checks (CRC32, CRC64, SHA-256); block-based format allowing random access and parallel decompression; multi-threaded compression via xz --threads; 15-25% better than gzip.

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All XZ conversions

From	To	Action
XZ	BZ2	Convert
XZ	GZ	Convert