Bulk OPUS to CAF Converter Online — Free HD Quality
Drag and drop your multiple OPUS files into this 100% free online OPUS to CAF converter (.opus to .caf), and click the Convert button to bulk convert them to CAF format in HD quality. Use the quality slider to fine-tune your CAF output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original OPUS files are removed from our servers right after. Also see:OPUS to OGG converter.
Drop your OPUS files here to convert to CAF, or click to browse
Converts .opus to CAF (.caf) in HD quality — bulk, free, no signup
Choose FilesOPUS vs CAF — File Format Comparison
See how OPUS and CAF compare across file extension, MIME type, compression, and feature support. Related:Make OPUS files into APE.
| Feature | OPUS | CAF |
|---|---|---|
| File Extension | .opus | .caf |
| MIME Type | audio/opus | audio/x-caf |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
What Is OPUS Format?
Opus — the IETF standard for internet voice and music streaming; outperforms MP3, AAC, and Vorbis at every bitrate, and is the default codec for WebRTC, Discord, and Spotify Connect. See also:Turn OPUS into WAVE.
- Compression: Lossy
- Tags & Metadata: Supported
What Is CAF Format?
Core Audio Format — Apple's flexible container for macOS and iOS supporting any codec (AAC, ALAC, PCM, MP3) with no file-size limit, used internally by Xcode, Logic Pro, and macOS system sounds.
- Compression: Lossless
- Tags & Metadata: Supported