---
type: lookup
id: gz-1f-8b
asset: file-format-signatures
title: "1F 8B — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "␟‹ | 0 | gz tar.gz | <https://en.wikipedia.org/wiki/GZIP> GZIP compressed file [ 61 ] |"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "1F 8B"
offset: "0"
extension: "gz"
format: "GZIP compressed file"
unverified_fields: hex_signature
---
**Hex signature:** 1F 8B

**Offset:** 0

**Extension:** gz

**Format:** GZIP compressed file

> ␟‹ | 0 | gz tar.gz | <https://en.wikipedia.org/wiki/GZIP> GZIP compressed file [ 61 ] |

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