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Convert OPUS to MP3
Turn the .opus file WhatsApp exports for a voice note into MP3 to play it on any phone, computer or car, or to edit it in an audio program.
- Free
- No sign-up
- Batch conversion
Why convert OPUS to MP3?
To convert OPUS files to MP3, drop them on the counter above. Most music players, car stereos and editors cannot open the .opus voice notes saved from WhatsApp. MP3 plays on every phone, car stereo and music player, and the file is small.
Most files convert in seconds: no queue, no email address, and the MP3 result saves straight to your computer or phone.
How to convert OPUS to MP3
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Add your OPUS files
Drag your OPUS files onto the counter or pick them with Choose files. You can add several at once.
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Check the settings
The defaults suit most cases. Change quality, size or other options if you like; after a change, one click converts again.
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Conversion starts by itself
Each file is converted to MP3 and its row is stamped CONVERTED.
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Download your MP3 file
Get the file with Download. With several files you can download them all as one ZIP.
OPUS vs MP3
| Property | OPUS | MP3 |
|---|---|---|
| Full name | Opus Interactive Audio Codec | MPEG-1 Audio Layer III |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Created by | IETF (RFC 6716) | Fraunhofer IIS / MPEG |
| Year | 2012 | 1993 |
| Extensions | .opus | .mp3 |
| MIME | audio/opus | audio/mpeg |
About the formats
OPUS
Opus Interactive Audio Codec
Opus is an open audio codec for speech and music with very low latency. WhatsApp voice notes are saved as .opus files.
MP3
MPEG-1 Audio Layer III
MP3 is the most widespread audio format in the world. Lossy compression shrinks files to about a tenth of WAV, and it plays on every device.
Frequently asked questions
Is converting OPUS to MP3 free?
Yes, completely free. No account, no daily limit, no watermark and no queue.
Does it work on a phone?
Yes. It works on iPhone, iPad and Android, with no app to install.
Is there a file size limit?
There is no size limit set by us. Files of hundreds of MB convert too; very large files take longer and are handled more comfortably on a computer than on a phone.
Other conversions
| Family | Give | → | Get | What you gain |
|---|---|---|---|---|
| MP3 | OPUS | most efficient for speech | ||
| OPUS | WAV | lossless, ready to edit · larger file | ||
| OPUS | M4A | better than MP3 at the same size | ||
| OPUS | AAC | broadcast-grade audio | ||
| OPUS | OGG | open and royalty-free | ||
| OPUS | FLAC | lossless at half size · larger file | ||
| WAV | MP3 | plays on every device · studio recording | ||
| M4A | MP3 | plays on every device · iPhone voice memo | ||
| OGG | MP3 | plays on every device · Telegram voice message | ||
| FLAC | MP3 | plays on every device · lossless archive | ||
| MP4 | MP3 | sound only, plays on every device | ||
| AAC | MP3 | plays on every device · raw AAC stream |