Bulk AC3 to CAF Converter Online — Free HD Quality
Drag and drop your multiple AC3 files into this 100% free online AC3 to CAF converter (.ac3 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 AC3 files are removed from our servers right after. Also see:Free M4A to IPHONE - no account needed.
Drop your AC3 files here to convert to CAF, or click to browse
Converts .ac3 to CAF (.caf) in HD quality — bulk, free, no signup
Choose FilesAC3 vs CAF — File Format Comparison
See how AC3 and CAF compare across file extension, MIME type, compression, and feature support. Related:Convert AC3 to M4R free.
| Feature | AC3 | CAF |
|---|---|---|
| File Extension | .ac3 | .caf |
| MIME Type | audio/ac3 | audio/x-caf |
| Compression Type | Lossy | Lossless |
| Metadata Support | No | Yes |
What Is AC3 Format?
Dolby Digital AC-3 — Dolby's multi-channel surround sound codec used in DVD, Blu-ray, and broadcast television; commonly encountered when extracting audio tracks from home theatre content. See also:Switch AC3 to AIFC format.
- Compression: Lossy
- Tags & Metadata: Not 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