将 M4A 转换为 FLAC

Free online M4A to FLAC converter. Fast, secure, no signup required.

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Accepted: M4A files · Max 100 MB per file

m4a flac

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Need to convert M4A to FLAC? MegaConvert makes it easy. Upload your MPEG-4 Audio (M4A) file and get a Free Lossless Audio Codec (FLAC) file in seconds — no software to install, no signup required. Whether you need this conversion for music playback, podcasting, device compatibility / web streaming, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert M4A to FLAC Online

1
Upload your M4A file
Click the upload area or drag and drop your M4A file. Files up to 25MB are free. Larger files are supported with pay-per-use.
2
Choose FLAC as output format
FLAC is automatically selected on this page. You can adjust conversion settings if needed.
3
Click Convert
Hit the Convert button to start processing. Your file will be converted using our high-performance servers.
4
Download your FLAC file
Once conversion is complete, click Download to save your new FLAC file. Free files are available for 1 hour.

Why Convert M4A to FLAC?

**Cross-platform sharing** — M4A is primarily used on Apple devices. Converting to FLAC ensures your files work on Windows, Android, and Linux too.
**Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
**Software requirements** — Your software or platform may require FLAC format specifically. Converting ensures full compatibility.

M4A vs FLAC — Format Comparison

Feature	M4A	FLAC
Full Name	MPEG-4 Audio	Free Lossless Audio Codec
Developer	Apple (based on MPEG-4)	Xiph.Org Foundation
First Released	2001	2001
Category	Audio	Audio
Extension	.m4a	.flac
MIME Type	audio/mp4	audio/flac

Converting from lossy to lossless does not improve quality. Start from lossless source when possible.

About M4A Format

Apple's audio format using AAC or ALAC codec within an MP4 container.

Full name: MPEG-4 Audio

Developer: Apple (based on MPEG-4) (2001)

About FLAC Format

Lossless audio codec achieving 50-70% compression while preserving perfect audio quality.

Full name: Free Lossless Audio Codec

Developer: Xiph.Org Foundation (2001)

常见问题

Upload your M4A file to MegaConvert.io, select FLAC as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.

Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.

Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.

Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.

Apple's audio format using AAC or ALAC codec within an MP4 container. Developer: Apple (based on MPEG-4) (2001).

Lossless audio codec achieving 50-70% compression while preserving perfect audio quality. Developer: Xiph.Org Foundation (2001).