# 1B 4C 75 61 — File format magic numbers

For 1B 4C 75 61, offset is 0; extension is luac; format is Lua bytecode, recorded from its source on 2026-08-03.

- **Hex signature:** 1B 4C 75 61 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** luac _(unconfirmed — we could not tie this to the quote below)_
- **Format:** Lua bytecode _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> <https://en.wikipedia.org/wiki/Lua_(programming_language)> Lua <https://en.wikipedia.org/wiki/Bytecode> bytecode [ 74 ]

## 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/).