How do I convert M4A to FLAC online for free?

Audio Conversion

Convert M4A to FLAC Online

Free online M4A Audio to FLAC Audio converter. Files are processed locally in your browser — no uploads, 100% private.

.M4A

.FLAC

Drop your .M4A file here

or click to browse from your device

Accepts .M4A files

100% Private

Files never leave your device

Instant

In-browser processing

No Account

No sign-up required

How to Convert M4A to FLAC Online

1Upload your .M4A file using the drop zone above or click to browse
2Your file converts automatically to .FLAC format entirely within your browser
3Download your converted file — no account or email needed

Frequently Asked Questions

Upload your M4A Audio file using the drop zone above. Your file is instantly converted to FLAC Audio format right inside your browser using client-side processing — no account, no software, and no cost. When conversion is complete, click Download to save your FLAC file.

Completely. Our converter runs 100% in your browser using local processing, so your M4A file never leaves your device or touches any external server. We do not store, access, or transmit your files at any point.

Desktop: up to 500 MB. Mobile: up to 200 MB. All processing happens locally in your browser — your files are never uploaded to any server.