Convert M4A to FLAC

Convert M4A to FLAC in your browser. Your audio files are processed on your device and are not uploaded.

1. Add your files

or drop your M4A files here
Up to 20 MB per file. You can select multiple files.
No files selected
Controls the compression level for FLAC encoding. Higher levels result in smaller file size but require more processing time. Level 5 is the recommended default.
Select the number of audio channels. Stereo provides a richer audio experience, while mono can save space.
Sets the sample rate of the output audio. Higher values improve fidelity but increase file size.

4. Download converted files

Private browser conversion: Your files stay on your device. Large files may take longer, and some formats depend on browser codec support.

How to use this M4A to FLAC Converter?

  1. Choose one or more files or drop them into the input area.
  2. Adjust the available settings, then click Convert. Processing stays in this browser; nothing is uploaded.
  3. Download each result or download a ZIP for multiple files. Results disappear when you leave this page.