Bulk ALAC to M4A Converter Online — Free HD Quality
Drag and drop your multiple ALAC files into this 100% free online ALAC to M4A converter (.alac to .m4a), and click the Convert button to bulk convert them to M4A format in HD quality. Use the quality slider to fine-tune your M4A output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original ALAC files are removed from our servers right after. Also see:Convert AC3 to MP3.
Drop your ALAC files here to convert to M4A, or click to browse
Converts .alac to M4A (.m4a) in HD quality — bulk, free, no signup
Choose FilesALAC vs M4A — File Format Comparison
See how ALAC and M4A compare across file extension, MIME type, compression, and feature support. Related:Transform ALAC to AIFF.
| Feature | ALAC | M4A |
|---|---|---|
| File Extension | .alac | .m4a |
| MIME Type | audio/mp4 | audio/mp4 |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
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. See also:Handle many ALAC to OPUS at once.
- Compression: Lossless
- Tags & Metadata: Supported
What Is M4A Format?
MPEG-4 Audio — AAC audio in an MP4 container, the standard format for Apple Music, iTunes purchases, and iPhone voice memos, offering better quality than MP3 at equivalent bitrates.
- Compression: Lossy
- Tags & Metadata: Supported