---
type: lookup
id: item-cf-fa-ed-fe
asset: file-format-signatures
title: "CF FA ED FE — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "ch-O binary (reverse byte ordering scheme, 32-bit) [ 33 ] | CF FA ED FE | Ïúíþ | 0 | | Mach-O binary (reverse byte ordering scheme, 64-bit) [ 33 ] | 25 21 50 53 | %!PS | 0 | ps | <https://en.wikipedia.org/wiki/PostScript> PostScript document | 25 21 50 53 2D 41 64 6F 62 65 2D 33 2E 30 20 45 50 53 46 2D 33 2E 30 | %!PS-Adobe-3.0 ESPF-3.0 | 0 | eps epsf | <htt"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "CF FA ED FE"
offset: "0"
extension: "|"
format: "Mach-O binary (reverse byte ordering scheme, 64-bit) [ 33 ]"
---
**Hex signature:** CF FA ED FE

**Offset:** 0

**Extension:** |

**Format:** Mach-O binary (reverse byte ordering scheme, 64-bit) [ 33 ]

> ch-O binary (reverse byte ordering scheme, 32-bit) [ 33 ] | CF FA ED FE | Ïúíþ | 0 | | Mach-O binary (reverse byte ordering scheme, 64-bit) [ 33 ] | 25 21 50 53 | %!PS | 0 | ps | <https://en.wikipedia.org/wiki/PostScript> PostScript document | 25 21 50 53 2D 41 64 6F 62 65 2D 33 2E 30 20 45 50 53 46 2D 33 2E 30 | %!PS-Adobe-3.0 ESPF-3.0 | 0 | eps epsf | <htt

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