GZ
A compressed data format that applies gzip compression to a byte stream and is commonly paired with TAR archives on Unix-like systems.
General information
- Format name
- GZIP Compressed File
- Extensions
.gz.gzip- MIME type
application/gzip- Category
- archive
- Data type
- Binary
File signatures
| Offset | Hexadecimal | ASCII | Description |
|---|---|---|---|
| 0 | 1F 8B | — | Standard gzip identification bytes. |
Common uses
Compressed downloads
Unix and Linux packages
Compressed TAR archives
Log compression
Web and server data compression
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| RFC 1952 — GZIP File Format Specification | RFC Editor | Open resource ↗ |
| RFC 6713 — The application/gzip Media Type | RFC Editor | Open resource ↗ |
Record information
- Verified
- October 3, 2026
- Last updated
- October 3, 2026