Bulk ALAC to AAC Converter Online — Free HD Quality
Drag and drop your multiple ALAC files into this 100% free online ALAC to AAC converter (.alac to .aac), and click the Convert button to bulk convert them to AAC format in HD quality. Use the quality slider to fine-tune your AAC 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:How to batch convert M4A to FLAC?.
Drop your ALAC files here to convert to AAC, or click to browse
Converts .alac to AAC (.aac) in HD quality — bulk, free, no signup
Choose FilesALAC vs AAC — File Format Comparison
See how ALAC and AAC compare across file extension, MIME type, compression, and feature support. Related:Get MP2 from AC3.
| Feature | ALAC | AAC |
|---|---|---|
| File Extension | .alac | .aac |
| MIME Type | audio/mp4 | audio/aac |
| 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:Quick AC3 to WAVE online converter.
- Compression: Lossless
- Tags & Metadata: Supported
What Is AAC Format?
Advanced Audio Coding — the successor to MP3 adopted by Apple, YouTube, and mobile platforms; delivers better quality than MP3 at the same bitrate, especially below 128 kbps.
- Compression: Lossy
- Tags & Metadata: Supported