M4B FLAC

Convert M4B to FLAC

Free online converter — change .m4b files into .flac format instantly. Drag, drop, convert, download.

Drop your .m4b file here

or click to browse · max 100MB

🔒 Your file is processed in your browser where possible.

How to convert M4B to FLAC

  1. 1 Upload your .m4b file using the dropzone above.
  2. 2 Click "Convert to FLAC" and watch the progress bar.
  3. 3 Once complete, click Download to save your new .flac file.