Convert MP3 to OPUS
Free, fast and secure — convert MP3 to OPUS right in your browser.
Upgrade your MP3 to a modern OPUS
Converting MP3 to OPUS adopts a modern, highly efficient format that keeps quality high while cutting file size — a smart default for today’s web and apps.
How to convert MP3 to OPUS
- 1 Drop your MP3 file into the converter above.
- 2 It is converted to OPUS automatically — no settings to fiddle with.
- 3 Download your new OPUS file instantly.
MP3 vs OPUS
| Feature | MP3 | OPUS |
|---|---|---|
| Compression | Lossy | Lossy |
| MIME type | audio/mpeg | audio/opus |
| Best for | Music, podcasts and voice that need to play everywhere at a small size. | Voice chat, podcasts and streaming where bandwidth efficiency is critical. |
About the formats
MP3 audio
MP3 is the world’s most compatible audio format. Its lossy compression makes small files that play on every device and app, which is why it is still the default for music and podcasts.
Strengths
- Plays on virtually everything
- Small, convenient files
- Adjustable bitrate
Limitations
- Lossy — discards some audio detail
- Not ideal for archiving
- No lossless option
Best for: Music, podcasts and voice that need to play everywhere at a small size.
Opus audio
Opus is a state-of-the-art codec that delivers superb quality at very low bitrates. It powers most modern voice and streaming apps but is less common for stored files.
Strengths
- Best-in-class quality at low bitrates
- Excellent for voice and streaming
- Open and royalty-free
Limitations
- Limited support in older players
- Uncommon for downloads
- Few hardware decoders
Best for: Voice chat, podcasts and streaming where bandwidth efficiency is critical.