Bulk FLAC to CAF Converter Online — Free HD Quality
Drag and drop your multiple FLAC files into this 100% free online FLAC to CAF converter (.flac 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 FLAC files are removed from our servers right after. Also see:Free online AAC to M4A tool.
Drop your FLAC files here to convert to CAF, or click to browse
Converts .flac to CAF (.caf) in HD quality — bulk, free, no signup
Choose FilesFLAC vs CAF — File Format Comparison
See how FLAC and CAF compare across file extension, MIME type, compression, and feature support. Related:Handle many FLAC to M4B at once.
| Feature | FLAC | CAF |
|---|---|---|
| File Extension | .flac | .caf |
| MIME Type | audio/flac | audio/x-caf |
| Compression Type | Lossless | Lossless |
| Metadata Support | Yes | Yes |
What Is FLAC Format?
Free Lossless Audio Codec — open-source lossless compression that reduces file size by 40–60% versus WAV with zero quality loss, perfect for audiophile archiving.
- Compression: Lossless
- 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