Bulk CAF to OPUS Converter Online — Free HD Quality
Drag and drop your multiple CAF files into this 100% free online CAF to OPUS converter (.caf to .opus), and click the Convert button to bulk convert them to OPUS format in HD quality. Use the quality slider to fine-tune your OPUS output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original CAF files are removed from our servers right after. Also see:Convert AAC to OGG.
Drop your CAF files here to convert to OPUS, or click to browse
Converts .caf to OPUS (.opus) in HD quality — bulk, free, no signup
Choose FilesCAF vs OPUS — File Format Comparison
See how CAF and OPUS compare across file extension, MIME type, compression, and feature support. Related:Queue CAF to M4B conversions.
| Feature | CAF | OPUS |
|---|---|---|
| File Extension | .caf | .opus |
| MIME Type | audio/x-caf | audio/opus |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
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. See also:Free CAF to AMR - no account needed.
- Compression: Lossless
- Tags & Metadata: Supported
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.
- Compression: Lossy
- Tags & Metadata: Supported