# 4E 45 53 1A — File format magic numbers

For 4E 45 53 1A, offset is 0; extension is nes; format is Nintendo Entertainment System ROM file, recorded from its source on 2026-08-03.

- **Hex signature:** 4E 45 53 1A _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0
- **Extension:** nes
- **Format:** Nintendo Entertainment System ROM file

## What the source says

> NES␚ | 0 | nes | Nintendo Entertainment System ROM file [ 56 ] |

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).