ConvertOnline

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Audio

Video

Document

Color

1. Convert Online
2. Audio Converters
3. WAV to M4R

{
  "convert": "wav-m4r",
  "multiple": true,
  "from": "wav",
  "to": "m4r",
  "note": "M4R is the iPhone ringtone format. The maximum allowed duration is typically 40 seconds. Ensure the audio is trimmed before or during conversion to meet this limit.",
  "controls": [
    {
      "type": "dropdown",
      "name": "bitrate",
      "label": "Audio Bitrate",
      "options": [
        {
          "label": "64 kbps",
          "value": "64k"
        },
        {
          "label": "96 kbps",
          "value": "96k"
        },
        {
          "label": "128 kbps (Standard)",
          "value": "128k"
        },
        {
          "label": "192 kbps",
          "value": "192k"
        },
        {
          "label": "256 kbps",
          "value": "256k"
        }
      ],
      "defaultValue": "128k",
      "desc": "Sets the output audio bitrate. Lower bitrates reduce file size but may affect quality. 128 kbps is a common setting for ringtones."
    },
    {
      "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. Mono is smaller and more compatible; stereo may offer better sound."
    },
    {
      "type": "dropdown",
      "name": "sample_rate",
      "label": "Sample Rate (Hz)",
      "options": [
        {
          "label": "22050 Hz",
          "value": 22050
        },
        {
          "label": "44100 Hz (Standard)",
          "value": 44100
        }
      ],
      "defaultValue": 44100,
      "desc": "Specifies the sample rate. 44100 Hz is standard for M4R compatibility with iPhones."
    },
    {
      "type": "number",
      "name": "duration",
      "label": "Trim Duration (seconds)",
      "range": {
        "min": 1,
        "max": 40
      },
      "unit": "seconds",
      "defaultValue": 30,
      "desc": "Limits the output ringtone duration. Most iPhones require ringtones to be 40 seconds or shorter."
    }
  ],
  "type": "audio"
}