ConvertOnline

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1. Convert Online
2. Audio Converters
3. M4A to WAV

{
  "convert": "m4a-wav",
  "multiple": true,
  "from": "m4a",
  "to": "wav",
  "note": "Converting from M4A (compressed) to WAV (uncompressed) will significantly increase file size without improving audio quality. WAV is often used for editing or professional audio workflows.",
  "controls": [
    {
      "type": "dropdown",
      "name": "channels",
      "label": "Audio Channels",
      "options": [
        {
          "label": "Mono (1 channel)",
          "value": 1
        },
        {
          "label": "Stereo (2 channels)",
          "value": 2
        }
      ],
      "defaultValue": 2,
      "desc": "Sets the number of audio channels. Stereo retains the original M4A's stereo sound; mono reduces file size."
    },
    {
      "type": "dropdown",
      "name": "sample_rate",
      "label": "Sample Rate (Hz)",
      "options": [
        {
          "label": "22050 Hz",
          "value": 22050
        },
        {
          "label": "44100 Hz (CD Quality)",
          "value": 44100
        },
        {
          "label": "48000 Hz",
          "value": 48000
        },
        {
          "label": "96000 Hz",
          "value": 96000
        }
      ],
      "defaultValue": 44100,
      "desc": "Sets the sample rate of the output WAV file. Higher sample rates offer better fidelity but result in larger files."
    }
  ],
  "type": "audio",
  "operation": "convert"
}