Bulk AIFF to ALAC Converter Online — Free HD Quality
Drag and drop your multiple AIFF files into this free online AIFF to ALAC converter (.aiff to .alac), and click the Convert button to bulk convert them to ALAC format in HD quality. Use the quality slider to fine-tune your ALAC output, then download your converted files one by one or as a single ZIP — your original AIFF 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
AIFF vs ALAC — File Format Comparison
| Feature | AIFF | ALAC |
|---|---|---|
| File Extension | .aiff | .alac |
| MIME Type | audio/aiff | audio/mp4 |
| Compression Type | Lossless | Lossless |
| Metadata Support | Yes | Yes |
What Is AIFF Format?
Audio Interchange File Format — Apple's uncompressed audio standard functionally equivalent to WAV but preferred in professional Apple audio workflows and GarageBand projects.
- Compression: Lossless
- Tags & Metadata: Supported
What Is ALAC Format?
Apple Lossless Audio Codec — Apple's open-source lossless compression stored in an MP4 container, offering bit-perfect quality with 40–60% smaller files than AIFF; the native lossless format for Apple Music and iTunes.
- Compression: Lossless
- Tags & Metadata: Supported
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