XZ Utils
XZ Utils: A focused, free toolkit for .xz, .lzma, raw streams, and LZMA-based development. Ranked #29 of 36 in File Compression Software by our editors (6.9/10); pricing: Free plan; best for XZ and LZMA compression pipelines.
At a glance
- Editor score6.9 / 10
- PricingFree plan
- Best forXZ and LZMA compression pipelines
- Free planYes
- Paid fromFree
- Archive encryptionNo
- Facts checked20 Sep 2026

Where it wins
- Free, open-source tools with command-line and library interfaces
- Supports .xz, legacy .lzma, raw streams, and .lz decompression
- Configurable filters, block sizes, and integrity checks for .xz data
Where it doesn't
- Not a general-purpose archive manager
- No archive encryption or split-archive features
- Primarily suited to technical and software-distribution workflows
Our verdict on XZ Utils
XZ Utils is a free, open-source compression implementation for GNU/Linux, macOS/Darwin, Windows, and other listed Unix-like systems. It is aimed at developers, system administrators, software distributors, and anyone building command-line, scripting, or library-based compression workflows. The toolkit centers on .xz, supports legacy .lzma files and raw compressed streams, and can decompress .lz files. It includes the xz compressor and decompressor, the smaller xzdec decompression-only tool, the liblzma API, and shell utilities such as xzgrep and xzdiff.
Its strongest fit is a configurable compression pipeline rather than a graphical file-management workflow. The command-line tools expose compression and decompression operations, while liblzma supports integration into software that needs the underlying compression library. Configurable compression filters and block sizes provide control over processing behavior. For .xz data, CRC32, CRC64, and SHA-256 integrity checks are available. These capabilities make XZ Utils well suited to scripted processing, package and software-distribution workflows, and applications that need format-level control across several operating systems.
The main trade-off is scope. XZ Utils handles compression formats and related utilities, but it is not a general-purpose archive manager: the .xz format holds one file and does not provide archiving capabilities. It also has no archive encryption or split-archive features, and its block feature is not volume-sized archive splitting. Choose XZ Utils when your priority is free, open-source .xz or LZMA compression through commands or an API. Choose a broader archive tool instead when you need archive organization, encryption, or volume-based splitting in the same product.
Your product? Our editors can test XZ Utils in depth and publish a review, labelled as paid · from $149/mo →
XZ Utils pricing
XZ Utils fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Archive formats | .xz, .lzma, raw streams; .lz extraction |
| Archive encryption | No |
| Split archives | No |
| Command-line tools | Yes |
| Portable version | Not verified |
| Archive repair | Not verified |
| Supported platforms | GNU/Linux, macOS/Darwin, Windows, and other listed Unix-like systems |
| Deployment | Desktop |
| Platforms | Linux, macOS, Windows |
| Pricing | Free plan |
| Website | tukaani.org |
| Facts checked | 20 Sep 2026 |
Alternatives to XZ Utils
- 7-ZipA free, open-source archiver with broad formats, encryption, recovery tools, and cross-platform support.9.4
- PeaZipA capable free archive manager for desktop users who need broad format coverage and file utilities.9.2
- PowerArchiverA format-rich archive tool for business workflows, automation, and secure file handling.9.0
See all XZ Utils alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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