- Convert Online
- Audio Converters
- OPUS to MP3
Convert OPUS to MP3
Convert OPUS to MP3 in your browser. Your audio files are processed on your device and are not uploaded.
128kSets the output bitrate for the MP3 file. Higher values give better quality but increase file size.
Sets the output bitrate for the MP3 file. Higher values give better quality but increase file size.
2Choose the number of audio channels. Stereo is better for music and spatial sound; mono saves space.
Choose the number of audio channels. Stereo is better for music and spatial sound; mono saves space.
48000Sets the sample rate of the output MP3. 48000 Hz matches the native rate of Opus; 44100 Hz is most compatible.
Sets the sample rate of the output MP3. 48000 Hz matches the native rate of Opus; 44100 Hz is most compatible.
4. Download converted files
Private browser conversion: Your files stay on your device. Large files may take longer, and some formats depend on browser codec support.
How to use this OPUS to MP3 Converter?
- Choose one or more files or drop them into the input area.
- Adjust the available settings, then click Convert. Processing stays in this browser; nothing is uploaded.
- Download each result or download a ZIP for multiple files. Results disappear when you leave this page.
{
"convert": "opus-mp3",
"multiple": true,
"from": "opus",
"to": "mp3",
"note": "Opus is a highly efficient codec for both voice and music, but it's not supported on all devices. Converting to MP3 increases compatibility but may increase file size and slightly reduce quality.",
"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"
},
{
"label": "320 kbps (High)",
"value": "320k"
}
],
"defaultValue": "128k",
"desc": "Sets the output bitrate for the MP3 file. Higher values give better quality but increase file size."
},
{
"type": "dropdown",
"name": "channels",
"label": "Audio Channels",
"options": [
{
"label": "Mono (1 channel)",
"value": 1
},
{
"label": "Stereo (2 channels)",
"value": 2
}
],
"defaultValue": 2,
"desc": "Choose the number of audio channels. Stereo is better for music and spatial sound; mono saves space."
},
{
"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 (Opus Native)",
"value": 48000
}
],
"defaultValue": 48000,
"desc": "Sets the sample rate of the output MP3. 48000 Hz matches the native rate of Opus; 44100 Hz is most compatible."
}
],
"type": "audio",
"operation": "convert"
}
ConvertOnline