Bulk FLAC to CAF Converter Online — Free HD Quality
Drag and drop your multiple FLAC files into this 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 — your original FLAC 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
FLAC vs CAF — File Format Comparison
| 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
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