---
type: lookup
id: zst-28-b5-2f-fd
asset: file-format-signatures
title: "28 B5 2F FD — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "<https://en.wikipedia.org/wiki/Zstandard> Zstandard compress [ 79 ] [ 80 ]"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "28 B5 2F FD"
offset: "0"
extension: "zst"
format: "Zstandard compress"
unverified_fields: extension, hex_signature, offset
---
**Hex signature:** 28 B5 2F FD

**Offset:** 0

**Extension:** zst

**Format:** Zstandard compress

> <https://en.wikipedia.org/wiki/Zstandard> Zstandard compress [ 79 ] [ 80 ]

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>