---
type: lookup
id: luac-1b-4c-75-61
asset: file-format-signatures
title: "1B 4C 75 61 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "<https://en.wikipedia.org/wiki/Lua_(programming_language)> Lua <https://en.wikipedia.org/wiki/Bytecode> bytecode [ 74 ]"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "1B 4C 75 61"
offset: "0"
extension: "luac"
format: "Lua bytecode"
unverified_fields: extension, format, hex_signature, offset
---
**Hex signature:** 1B 4C 75 61

**Offset:** 0

**Extension:** luac

**Format:** Lua bytecode

> <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>