What is an xz file?

The xz format in brief: what it is, what it is used for, and how to convert it.

xz: conversion steps

  1. Upload your xz file to start.
  2. Convert xz to bzip2.
  3. Download the xz file.

About xz files

a single-file compressor using LZMA2

xz compresses a single file with the LZMA2 method and usually gives the smallest result of the common single-file compressors.

Linux packages, kernel images and large data files.

xz: what conversion changes

Converting xz repacks losslessly.

xz: settings to change

Before you convert xz files, you can adjust: Compression level, Split size, Password, and Root folder.

Limits of the xz format

It holds one file only and needs a lot of memory at high compression levels.

Common questions about xz

Why does compressing my .xz file take minutes while gzip finishes in seconds? XZ's LZMA dictionary analyses huge stretches of data for the best matches, buying the smallest file at the price of heavy computation.

Why convert a file to XZ? When the smallest possible file matters most: LZMA2 beats gzip and bzip2 on almost any data.

Convert xz files

Guides and tools for xz