ZST
A lossless compressed data format using the Zstandard algorithm, designed for fast decompression, scalable compression levels, and streaming use.
General information
- Format name
- Zstandard Compressed File
- Extensions
.zst.zstd- MIME type
application/zstd- Category
- archive
- Data type
- Binary
- Developer
- Meta
File signatures
| Offset | Hexadecimal | ASCII | Description |
|---|---|---|---|
| 0 | 28 B5 2F FD | — | Magic number for a standard Zstandard frame. |
Common uses
Software package compression
Backup compression
Large dataset compression
Compressed archives
Network and server data
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| RFC 8878 — Zstandard Compression and the application/zstd Media Type | RFC Editor | Open resource ↗ |
Record information
- Verified
- October 4, 2026
- Last updated
- October 4, 2026