Bulk AC3 to ALAC Converter Online — Free HD Quality
Drag and drop your multiple AC3 files into this 100% free online AC3 to ALAC converter (.ac3 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 AC3 files are removed from our servers right after. Also see:MP3 to IPAD converter.
Drop your AC3 files here to convert to ALAC, or click to browse
Converts .ac3 to ALAC (.alac) in HD quality — bulk, free, no signup
Choose FilesAC3 vs ALAC — File Format Comparison
See how AC3 and ALAC compare across file extension, MIME type, compression, and feature support. Related:Bulk convert AC3 to OGG.
| Feature | AC3 | ALAC |
|---|---|---|
| File Extension | .ac3 | .alac |
| MIME Type | audio/ac3 | audio/mp4 |
| Compression Type | Lossy | Lossless |
| Metadata Support | No | Yes |
What Is AC3 Format?
Dolby Digital AC-3 — Dolby's multi-channel surround sound codec used in DVD, Blu-ray, and broadcast television; commonly encountered when extracting audio tracks from home theatre content. See also:AC3 to AMR converter.
- Compression: Lossy
- Tags & Metadata: Not 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