ConvertOnline

Image

Audio

Video

Document

Color

1. Convert Online
2. Audio Converters
3. MP3 to OPUS

{
  "convert": "mp3-opus",
  "multiple": true,
  "from": "mp3",
  "to": "opus",
  "note": "Opus is a modern, efficient codec designed for both speech and music. It often produces smaller files with better quality than MP3 at lower bitrates. However, it is not universally supported by all devices.",
  "controls": [
    {
      "type": "dropdown",
      "name": "bitrate",
      "label": "Audio Bitrate",
      "options": [
        {
          "label": "32 kbps (Voice Quality)",
          "value": "32k"
        },
        {
          "label": "64 kbps",
          "value": "64k"
        },
        {
          "label": "96 kbps",
          "value": "96k"
        },
        {
          "label": "128 kbps (Good Quality)",
          "value": "128k"
        },
        {
          "label": "160 kbps",
          "value": "160k"
        },
        {
          "label": "192 kbps (High Quality)",
          "value": "192k"
        }
      ],
      "defaultValue": "128k",
      "desc": "Sets the target bitrate for the Opus file. Opus is efficient at low bitrates, so even 64–96 kbps can sound good. Use 128k or higher for high-fidelity audio."
    },
    {
      "type": "dropdown",
      "name": "channels",
      "label": "Audio Channels",
      "options": [
        {
          "label": "Mono (1 channel)",
          "value": 1
        },
        {
          "label": "Stereo (2 channels)",
          "value": 2
        }
      ],
      "defaultValue": 2,
      "desc": "Specifies the number of audio channels. Mono is suitable for speech; stereo is ideal for music."
    },
    {
      "type": "dropdown",
      "name": "sample_rate",
      "label": "Sample Rate (Hz)",
      "options": [
        {
          "label": "16000 Hz",
          "value": 16000
        },
        {
          "label": "24000 Hz",
          "value": 24000
        },
        {
          "label": "48000 Hz (Recommended)",
          "value": 48000
        }
      ],
      "defaultValue": 48000,
      "desc": "Opus works best at 48000 Hz. Lower sample rates reduce fidelity but can help reduce file size for voice applications."
    }
  ],
  "type": "audio"
}