---
type: lookup
id: 3gp-3g2-66-74-79-70-33-67
asset: file-format-signatures
title: "66 74 79 70 33 67 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "3rd Generation Partnership Project <https://en.wikipedia.org/wiki/3GPP> 3GPP and <https://en.wikipedia.org/wiki/3GPP2> 3GPP2 multimedia files"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "66 74 79 70 33 67"
offset: "4"
extension: "3gp 3g2"
format: "3rd Generation Partnership Project 3GPP and 3GPP2 multimedia files"
unverified_fields: extension, hex_signature, offset
---
**Hex signature:** 66 74 79 70 33 67

**Offset:** 4

**Extension:** 3gp 3g2

**Format:** 3rd Generation Partnership Project 3GPP and 3GPP2 multimedia files

> 3rd Generation Partnership Project <https://en.wikipedia.org/wiki/3GPP> 3GPP and <https://en.wikipedia.org/wiki/3GPP2> 3GPP2 multimedia files

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