Convert MP3 to OPUS
MP3 audio → Opus audio: convert online for free. MP3 to OPUS conversion runs right in your browser — your files never leave your device.
Drop files here or choose them
You can also paste files with Ctrl+V
Files never leave your device
About the formats
- MP3 audio
- The most widespread lossy audio format. Plays on almost any device.
- Opus audio
- Modern open codec: good quality at low bitrates. Used for voice messages and streaming.
How to convert MP3 to OPUS
- Choose a MP3 audio file or drag it onto the page.
- Check the settings and click Convert.
- Download the Opus audio file when it is ready.
Frequently asked questions
Is converting MP3 to OPUS free?
Yes. Conversion is free, with no sign-up and no watermarks.
Are my MP3 files uploaded anywhere?
No. The conversion runs in your browser, so your files never leave your device.
Will the quality change when converting to OPUS?
Quality depends on the target format and the settings you choose; lossy formats let you adjust the quality level.