---
type: lookup
id: nes-4e-45-53
asset: file-format-signatures
title: "4E 45 53 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "NES | 0 | nes | <https://en.wikipedia.org/wiki/Nintendo_Entertainment_System> Nintendo Entertainment System image file"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "4E 45 53"
offset: "0"
extension: "nes"
format: "Nintendo Entertainment System image file"
unverified_fields: hex_signature
---
**Hex signature:** 4E 45 53

**Offset:** 0

**Extension:** nes

**Format:** Nintendo Entertainment System image file

> NES | 0 | nes | <https://en.wikipedia.org/wiki/Nintendo_Entertainment_System> Nintendo Entertainment System image file

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