Bulk CAF to FLAC Converter Online — Free HD Quality
Drag and drop your multiple CAF files into this free online CAF to FLAC converter (.caf to .flac), and click the Convert button to bulk convert them to FLAC format in HD quality. Use the quality slider to fine-tune your FLAC output, then download your converted files one by one or as a single ZIP — your original CAF files are removed from our servers right after.
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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
CAF vs FLAC — File Format Comparison
| Feature | CAF | FLAC |
|---|---|---|
| File Extension | .caf | .flac |
| MIME Type | audio/x-caf | audio/flac |
| Compression Type | Lossless | Lossless |
| 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.
- Compression: Lossless
- Tags & Metadata: Supported
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
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