Convert M4A to FLAC on Mac

Turn M4A files into FLAC for players and libraries that expect it. Nothing leaves your Mac.

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Why convert M4A to FLAC?

iPhone voice memos and iTunes purchases come as M4A, which some non-Apple apps and players won't open. Converting M4A to FLAC stores the audio in a lossless file, so nothing more is lost when you edit or re-encode later. It can't restore what M4A already discarded.

  • Lossless FLAC at roughly half the size of WAV
  • Lossless from here on, no further loss when you edit or re-encode
  • CD-quality preset: 16-bit / 44.1 kHz in one click
  • Runs entirely on your Mac, offline, no upload limits, no subscription
  • Batch convert many M4A files at once

Convert in 3 steps

  1. 1

    Drop your M4A files

    Drag and drop one file or a whole folder.

  2. 2

    Choose FLAC

    Pick the output format and quality.

  3. 3

    Convert

    Click Convert and get the FLAC file.

Frequently asked questions

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How do I convert M4A to FLAC on Mac?

Open Picmal, drag your M4A files into the window, choose FLAC as the output format, set your quality, and click Convert.

Can I batch convert multiple M4A files at once?

Yes. Drag in as many M4A files (or a whole folder) as you like and Picmal converts them all to FLAC in one pass.

Will converting M4A to FLAC improve the quality?

No. FLAC is lossless, but it can't recover detail that lossy M4A already discarded. You get a pristine, editable file, not better-than-source audio.