SnipFree Opus to MP3 Converter
Convert Opus files to MP3 online for free. Opus is the efficient audio format behind WhatsApp voice notes and much of the web's audio, but many players, editors and car stereos don't open .opus files. MP3 plays everywhere.
Drop your Opus file here
or click to browse — converted in your browser — your file never leaves your device
Your file never leaves your device. The conversion runs entirely in your browser. Privacy policy.
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320 kbps minimizes quality loss.
About Opus to MP3 Conversion
Convert Opus files to MP3 online for free. Opus is the efficient audio format behind WhatsApp voice notes and much of the web's audio, but many players, editors and car stereos don't open .opus files. MP3 plays everywhere.
When you might convert Opus to MP3
- WhatsApp voice notes. Saved WhatsApp voice notes are .opus files. Convert one to MP3 to keep it, edit it or play it on a computer.
- Editing. Many audio and video editors don't import Opus. Convert to MP3 first.
- Older players and car stereos. MP3 is the format every device reads.
- Browser recordings. Audio recorded in a web browser is often Opus inside a WebM or Ogg file. Convert it to MP3 to share it.
Opus is already very efficient, so a 128 kbps MP3 of a voice note sounds the same as the original. Tested with Opus in an Ogg file, the format WhatsApp uses.
Why SnipSound
- 100% browser-based. Many online converters upload your file to a server first. This one doesn't — your Opus stays on your device.
- No cap imposed by us. Large files stream in pieces rather than loading, so memory is not the ceiling it is in most browser tools.
- No sign-up, no ads, no watermarks.
- Multiple output formats. Switch the dropdown to export as WAV, OGG, FLAC, AAC, or M4A instead of MP3.
Other conversions
Frequently Asked Questions
How do I convert Opus to MP3 online?▼
Drop your Opus file onto the page and click Convert. The MP3 downloads to your device. Everything runs in your browser and your files never leave your device.
Is my file uploaded?▼
No. The conversion happens entirely in your browser. Your Opus file never leaves your device.
Why is the first conversion slower?▼
FFmpeg loads on first use (a WebAssembly download of about 25 MB). Conversions after that in the same session are fast.
Can I convert to a format other than MP3?▼
Yes. The output dropdown also offers WAV, OGG, FLAC, AAC and M4A.
How do I convert a WhatsApp voice note to MP3?▼
Save or share the voice note to your device (it's an .opus file), drop it on this page and click Convert. The MP3 downloads to your device.
Why won't my .opus file play?▼
Many players, editors and car stereos don't support Opus. Convert it to MP3 here and it plays everywhere.