Bulk AIFF to ALAC Converter Online — Free HD Quality
Drag and drop your multiple AIFF files into this 100% 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 — no signup and no downloads needed, and your original AIFF files are removed from our servers right after. Also see:Convert multiple OGA to MP3.
Drop your AIFF files here to convert to ALAC, or click to browse
Converts .aiff to ALAC (.alac) in HD quality — bulk, free, no signup
Choose FilesAIFF vs ALAC — File Format Comparison
See how AIFF and ALAC compare across file extension, MIME type, compression, and feature support. Related:Convert multiple AIFF to AAC.
| 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