Technical MIME Specification & Web Server Guide

audio/flac

Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .FLAC files (Free Lossless Audio Codec).

File Extension

.flac

Content-Type Header

audio/flac

Format Category

Audio

Standard Specification

IANA Registered Standard

Description & Usage

Open source bit-perfect audio compression format for audiophiles.

HTTP Server Content-Type Configuration Code

# Nginx mime.types configuration for .flac
types {
    audio/flac    flac;
}

OS Compatibility Matrix

Windows

macOS

Linux

Android

iOS

Want to test header signatures or binary files?

Run binary magic byte inspection in Magic Byte Detector.

Frequently Asked Questions

The official MIME content type for .flac files is "audio/flac". Web servers use this header to instruct browsers how to render or process .flac data.