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FLAC to ALAC Converter

· Last updated：2026-06-23

Convert FLAC audio files to ALAC (Apple Lossless) in an M4A container while preserving lossless quality and metadata when available

Details

What this tool helps you do

Use this when you need Apple Lossless output for iPhone, iPad, Apple Music, or macOS workflows without moving to a lossy codec.

Execution

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Written by the Elysia Tools team
Audio312
Files143
Metadata66
Transcode24
FLAC14
M4A11

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category
Media
Input types
file, select, checkbox
Output type
file
Sample coverage
4
API ready
Yes

Overview

The FLAC to ALAC Converter allows you to seamlessly transcode your FLAC audio files into Apple Lossless (ALAC) format within an M4A container. This utility preserves the original lossless audio quality and metadata tags, making your high-fidelity music library fully compatible with Apple Music, macOS, and iOS devices without resorting to lossy compression.

When to use

  • When importing high-resolution FLAC audio files into Apple Music or iTunes libraries which do not natively support FLAC.
  • When preparing lossless audio tracks for playback on iOS devices like iPhones and iPads while maintaining original audio quality.
  • When sharing master audio files with macOS-based editors and clients who require Apple-compatible lossless formats.

How it works

  1. 1Upload your source FLAC audio file using the file selector.
  2. 2Choose your desired output sample rate and audio channels, or leave them on auto to match the original file properties.
  3. 3Toggle the option to preserve metadata tags like artist, album, and track title.
  4. 4Click convert to generate and download the Apple Lossless M4A file.

Use cases

  • Migrating a personal high-fidelity FLAC music collection to Apple Music on macOS.
  • Preparing lossless audio stems for editing in Apple Logic Pro or GarageBand.
  • Syncing high-resolution audio tracks to an iPhone or iPad for offline listening.

Examples

1. Prepare a lossless album for Apple devices

Audiophile

Background

An audiophile has a collection of high-resolution albums stored in FLAC format but wants to play them natively on an iPhone using the default Music app.

Problem

iOS devices do not natively support FLAC playback in the stock Music app, requiring conversion to Apple Lossless.

How to use

Upload the FLAC track, set the sample rate and channels to 'Auto (keep original)', ensure 'Keep Metadata' is checked, and run the converter.

Outcome

An M4A file containing ALAC audio is generated, retaining all original metadata and lossless quality, ready for syncing to iOS.

2. Create archival ALAC masters from FLAC

Audio Engineer

Background

A sound engineer needs to deliver lossless master files to a client who works exclusively in a macOS environment and requires standard Apple-compatible formats.

Problem

The client cannot easily preview or import FLAC files into their macOS workflow without third-party plugins.

How to use

Upload the master FLAC file, select '48 kHz' for the sample rate, set channels to 'Stereo (2 channels)', and convert.

FAQ

Does converting FLAC to ALAC reduce the audio quality?

No, both FLAC and ALAC are lossless audio formats, so transcoding between them preserves the exact original audio data.

Will my song titles, artists, and album art be preserved?

Yes, enabling the keep metadata option preserves embedded tags and metadata during the conversion process.

What container format is used for the output ALAC file?

The output ALAC audio is packaged inside a standard M4A container, which is fully compatible with Apple devices.

Can I change the sample rate and channel configuration during conversion?

Yes, you can manually select sample rates up to 96 kHz and choose between mono or stereo channels, or keep the original settings.

Is there a file size limit for the uploaded FLAC files?

Yes, the converter supports source FLAC files up to 200 MB in size.

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Outcome

A stereo 48 kHz ALAC M4A file is created, allowing the client to play and edit the lossless master natively on macOS.