---
type: lookup
id: none-axf-bin-elf-o-out-prx-puff-ko-mod-so-7f-45-4c-46
asset: file-format-signatures
title: "7F 45 4C 46 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "<https://en.wikipedia.org/wiki/Executable_and_Linkable_Format> Executable and Linkable Format [ 25 ]"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "7F 45 4C 46"
offset: "0"
extension: "none, .axf, .bin, .elf, .o, .out, .prx, .puff, .ko, .mod, .so"
format: "Executable and Linkable Format"
unverified_fields: extension, hex_signature, offset
---
**Hex signature:** 7F 45 4C 46

**Offset:** 0

**Extension:** none, .axf, .bin, .elf, .o, .out, .prx, .puff, .ko, .mod, .so

**Format:** Executable and Linkable Format

> <https://en.wikipedia.org/wiki/Executable_and_Linkable_Format> Executable and Linkable Format [ 25 ]

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