Convert AMR to OPUS
Free, fast and secure — convert AMR to OPUS right in your browser.
AMR
OPUS
Upgrade your AMR to a modern OPUS
Converting AMR 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 AMR to OPUS
- 1 Drop your AMR file into the converter above.
- 2 It is converted to OPUS automatically — no settings to fiddle with.
- 3 Download your new OPUS file instantly.
AMR vs OPUS
| Feature | AMR | OPUS |
|---|---|---|
| Compression | Lossy | Lossy |
| MIME type | audio/amr | audio/opus |
| Best for | Voice memos and phone recordings — converted to MP3 for wider playback. | Voice chat, podcasts and streaming where bandwidth efficiency is critical. |
About the formats
AMR
AMR voice audio
AMR is a speech-optimised audio format used for voice recordings and MMS on mobile phones. It makes tiny files for spoken word but is poor for music.
Strengths
- Tiny files for speech
- Made for voice recordings
- Common on phones
Limitations
- Poor quality for music
- Low bitrate only
- Limited app support
Best for: Voice memos and phone recordings — converted to MP3 for wider playback.
OPUS
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.
Frequently asked questions
Upload your AMR file above and it is converted to OPUS automatically. When it is ready, download your new Opus audio — the whole thing takes just a few seconds in your browser.
Converting AMR 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.
Converting between compressed formats can introduce minor changes, but our converter keeps your OPUS looking as close to the original as possible.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.