lookup> .luac

.LUAC·File Extension

LUAC Data & TextA .luac file is a LUAC Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

Extension.luac
File typeLUAC Data & Text
CategoryData & Text
Charset
Compressible

What is a .luac file?

A .luac file is a LUAC Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

In the mime-db registry it maps to application/x-lua-bytecode. When serving .luac over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/x-lua-bytecode — and is delivered over HTTP via the Content-Type header.

  • Use VS Code or Notepad++ to open and edit .luac files.
  • Any text editor (Notepad, VS Code) can inspect the raw content as text.

When served over HTTP, responses should set the following header:

Content-Type: application/x-lua-bytecode

Common software that reads/writes .luac:

VS CodeNotepad++Sublime Textjq
.luacextension of
format
LUAC Data & Textserved as
mime type
application/x-lua-bytecodesent via header
http header
  • Configuration files
  • Data interchange between systems
  • API request and response payloads
  • Logs and data exports
  • Open the file with VS Code, make your changes and save.
  • Most editors preserve the original formatting and encoding — avoid changing the charset.
  • Create a new file and save it with the .luac extension, or export this format from VS Code.

What programs can open .luac files?

Common options include VS Code, Notepad++, Sublime Text. You can also open many of these files with built-in viewers or a browser.

How do I create a .luac file?

Create a new file in any text editor or the app that owns the format and save it with the .luac extension.

What is the relationship between .luac and the application/x-lua-bytecode MIME type?

application/x-lua-bytecode is the media type identifier used for .luac files during network transfer (for example in the HTTP Content-Type header).

Updated 2026-08-18

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