ConvertOnline

Image

Audio

Video

Document

Color

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

{
  "convert": "m4r-ogg",
  "multiple": true,
  "from": "m4r",
  "to": "ogg",
  "note": "This converts an iPhone ringtone file (.m4r, which is AAC-based) to an open and widely supported audio format (.ogg). Useful for compatibility across platforms and browsers.",
  "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": "160 kbps",
          "value": "160k"
        },
        {
          "label": "192 kbps",
          "value": "192k"
        },
        {
          "label": "256 kbps",
          "value": "256k"
        }
      ],
      "defaultValue": "128k",
      "desc": "Sets the audio bitrate for the output OGG file. Higher bitrates improve audio quality but increase file size. 128k is a good balance."
    },
    {
      "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 is ideal for richer sound, while mono reduces 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
        }
      ],
      "defaultValue": 44100,
      "desc": "Controls the sample rate of the output audio. 44100 Hz is standard and widely supported."
    }
  ],
  "type": "audio"
}