SnapMedia

Free online converter

OPUS to MP3 Converter

Convert OPUS files — the format WhatsApp uses for voice messages — to MP3, so they play in any player and open in any editor.

No upload

Converted on your device

No sign-up

Free, no daily limit

No watermark

Your file, untouched

Batch

Several files at once

How to convert OPUS to MP3

  1. Add your OPUS files. Drag them onto the box above or click to choose them. You can add several at once.
  2. Check the target is MP3. It is already selected. Adjust the quality under Options if you want.
  3. Click Convert. The conversion runs in your browser — the file is never uploaded to a server.
  4. Download the MP3. When it finishes, click Download on each file.

When you need this

Saving an important voice message, attaching it to an email, or editing it in software that does not know Opus.

OPUS vs MP3

OPUS

The most efficient modern speech and music codec, used for WhatsApp voice messages, Discord and video calls. Many players and editors still cannot open it.

Best for: voice messages and streaming at very low bitrates.

MP3

The most widely supported audio format. Lossy compression keeps files small — about 1.4 MB per minute at 192 kbps — while sounding transparent to most listeners.

Best for: music libraries, podcasts, phones, car stereos, anything that just needs to play.

Will I lose quality?

Every time lossy audio is compressed again a little more is lost, so it is best not to go below 192 kbps (320 for music). When the audio inside the OPUS is already in the target codec — AAC inside an MP4 going to M4A, for instance — it is copied without recompressing and nothing is lost.

Have a link instead of a file?

Paste it into the YouTube to MP3 converter and skip the conversion.

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Frequently Asked Questions

How do I convert OPUS to MP3?
Drag the OPUS file onto the box above, check the target is MP3 and click Convert. As soon as it finishes a Download button appears. Nothing to install, no account needed.
Is it free to convert OPUS to MP3?
Yes, completely: no sign-up, no daily limit and no watermark. Your own browser does the conversion, so it costs us nothing and there is no reason to charge for it.
Are my files uploaded to a server?
No. The converter runs inside your browser: the file is read and converted on your device and never leaves it. That is why it is safe for private or work recordings.
Will I lose quality?
Every time lossy audio is compressed again a little more is lost, so it is best not to go below 192 kbps (320 for music). When the audio inside the OPUS is already in the target codec — AAC inside an MP4 going to M4A, for instance — it is copied without recompressing and nothing is lost.
Is there a file size limit?
Up to 1 GB per file. The limit is not a business one but the browser’s: all the work happens in its memory, and above that size some browsers close the tab. On a phone, stay well below it.
Can I convert several files at once?
Yes. Add as many OPUS files as you like and they are converted one after another with a single click. Each one can go to a different format.