Convert Opus to MP3
Turn Opus files — WhatsApp and Telegram voice notes, web audio — into MP3s that play everywhere, right in your browser.
How to convert Opus to MP3
Drop your file
Drag it in. It stays on your device.
Pick the format
And the quality.
Download
Your file is ready.
Convert Opus to MP3
Opus is a highly efficient audio codec — it powers WhatsApp and Telegram voice notes and most web audio. The catch: many players, car stereos, editing tools and older phones can't open an .opus file.
Converting it to MP3 gives you a universal file that plays absolutely everywhere — ideal for archiving, sharing or replaying a voice message on any device.
Conversion runs entirely in your browser via WebAssembly: your recordings, often personal, never leave your device.
Opus vs MP3: what's the difference?
| Criterion | Opus | MP3 |
|---|---|---|
| Quality at low bitrate | Excellent — today's best codec for voice | Average |
| Typical use | WhatsApp voice notes, Discord, calls | Listening, sharing, archiving |
| Compatibility | Weak outside messaging apps | Universal |
| Car stereo, player, editing | Rarely supported | Always plays |
Opus is the format of WhatsApp voice notes. It's technically excellent but nearly unreadable outside messaging apps — which is why converting it to MP3 is useful to keep or reuse it.
When should you convert Opus to MP3?
- Keep an important voice note in a format readable everywhere.
- Play the recording on a speaker, car stereo or music player.
- Import it into editing or transcription software.
- Send it to someone who doesn't use the same messaging app.
Frequently asked questions
How do I convert a WhatsApp voice note to MP3?
Export the .opus file from WhatsApp (Share → Save), drop it here, choose MP3 and download. Everything stays on your phone or computer.
Is Opus to MP3 conversion free?
Yes, free and no sign-up. The free tier handles up to 5 files at once; Pro removes that limit and adds ZIP download.
Will I lose quality?
Opus and MP3 are both compressed; the conversion keeps excellent listening quality. You set the bitrate for voice or music.
Are my voice messages private?
Yes. Conversion happens entirely in your browser; no audio file is ever uploaded to a server.