XZ
A lossless compressed stream container commonly used with LZMA2 and other filters, designed for high compression ratios, integrity checks, and stream concatenation.
General information
- Format name
- XZ Compressed File
- Extension
.xz- MIME type
application/x-xz- Category
- archive
- Data type
- Binary
- Developer
- Tukaani Project
File signatures
| Offset | Hexadecimal | ASCII | Description |
|---|---|---|---|
| 0 | FD 37 7A 58 5A 00 | — | Standard XZ stream header magic bytes. |
Common uses
Linux package compression
Source-code archives
Compressed TAR files
Software distribution
Backup compression
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| The .xz File Format | Tukaani Project | Open resource ↗ |
Record information
- Verified
- October 4, 2026
- Last updated
- October 4, 2026