Convert CAF to OPUS
Fast, free CAF to OPUS conversion — works in any browser
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caf
Core Audio Format
| File extension | .caf |
|---|---|
| File category | audio |
| Programs | Apple QuickTime Player Apple iTunes VLC media player Audacity |
| Tech description | https://en.wikipedia.org/wiki/Core_Audio_Format |
| MIME type | audio/x-caf |
| Developer | Apple Inc. |
This audio file container was created by Apple's developers. CAF can store a lot of information: the artist's name, song duration, album and track names, and more. In terms of size, CAF files can exceed 4 GB. Since its introduction in 2005, the Core Audio Format has been used as an alternative to AIFF and WAV. It can use different codecs, so audio quality depends on the chosen encoding. CAF files are often used to store audio assets and sound effects.
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.
FAQ
How to convert OPUS to CAF?
Upload your OPUS file, select CAF 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 OPUS to CAF?
Most OPUS 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 OPUS files online?
Yes. All uploaded OPUS files and converted CAF results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert OPUS 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 OPUS file and convert to CAF without installing any app.
