Convert OPUS to AMR
Fast, free OPUS to AMR conversion — works in any browser
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opus
Opus — Open Audio Codec for Voice and Music
| File extension | .opus |
|---|---|
| File category | audio |
| Programs | VLC media player foobar2000 MPV Audacity Firefox |
| Tech description | https://en.wikipedia.org/wiki/Opus_(audio_format) |
| MIME type | audio/ogg; codecs=opus audio/opus |
| Developer | Xiph.Org, IETF |
Opus is a free, open-source audio codec developed by Xiph.Org and the IETF, standardized in 2012 (RFC 6716). It supports bitrates from 6 kbps to 510 kbps, covering both low-bitrate voice calls and high-quality music streaming with a single codec. Opus consistently outperforms MP3, AAC, and Vorbis at equivalent bitrates in independent listening tests. It is used by YouTube, Spotify, Discord, WhatsApp, Zoom, and WebRTC applications. Opus is natively supported in Firefox, Chrome, Edge, and most modern media players including VLC, MPV, and foobar2000, across Windows, macOS, Linux, Android, and iOS.
amr
AMR (Adaptive Multi Rate): adaptive encoding with variable bitrate
| File extension | .amr |
|---|---|
| File category | audio |
| Programs | VLC media player Windows Media Player QuickTime Player Audacity |
| Tech description | https://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec |
| MIME type | audio/amr |
| Developer | 3GPP |
This information compression format allows for optimizing speech encoding. Files in the Adaptive Multi Rate format can be created using phones and smartphones. AMR files are mostly used for voice recordings. The main advantages of the format are the large number of encoding and decoding rates, as well as the small size of the resulting content. With the help of appropriate software, an Adaptive Multi Rate file can be converted into any other audio format.
FAQ
How to convert AMR to OPUS?
Upload your AMR file, select OPUS as the output format, and click Convert. The converted file will be ready to download in seconds — no account or installation required.
How long does it take to convert AMR to OPUS?
Most AMR files convert in seconds. Larger files may take up to a few minutes depending on size and internet speed. You can track the progress bar in real time during conversion.
Is it safe to convert AMR files online?
Yes. All uploaded AMR files and converted OPUS results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert AMR on iPhone or Android?
Yes, our converter works on all devices and operating systems — iPhone, iPad, Android, Windows, and macOS. Open the site in your mobile browser, upload the AMR file and convert to OPUS without installing any app.
