M4A → FLAC / online converter

M4A to FLAC Converter

Convert M4A to FLAC, the lossless format many audio tools and libraries prefer.

01 / how to

How to convert M4A to FLAC

01

ADD YOUR M4A

Drop the M4A file into the box above or choose it from your device.

02

CONVERT TO FLAC

FLAC is already selected. Press Convert and wait a few seconds.

03

DOWNLOAD

Save the finished FLAC file. The original is deleted from our server.

02 / what you get

What happens to your data

Kept

  • Both AAC and Apple Lossless (ALAC) M4A files are supported
  • iPhone voice memos and iTunes / Apple Music files work
  • Saved as FLAC, which keeps the audio exactly as decoded, in a file usually about half the size of WAV
  • Sample rate, channels and 24-bit depth are kept
  • Title, artist and album tags are carried over

Good to know

  • Copy-protected (DRM) files cannot be converted.
  • Embedded cover art is not carried over. Only the sound is converted.
  • If your M4A is regular AAC, converting to a lossless format makes the file bigger without adding quality. An Apple Lossless (ALAC) M4A keeps its full quality.

03 / formats

M4A vs FLAC

M4A

An M4A file is a compressed audio format (usually AAC inside an MP4 container) used by Apple's ecosystem — iTunes, Apple Music, and voice memos on iPhone all default to it. Slightly better quality than MP3 at the same file size.

Used in: Apple Music & iTunes · iPhone voice memos · Audiobooks

FLAC

A FLAC file compresses audio without losing any quality (lossless) — smaller than WAV, but still identical to the original when played back. The go-to format for audiophiles and music archiving.

Used in: Music archiving · Audiophile listening · High-quality downloads