Bulk OPUS to ALAC Converter Online — Free HD Quality
Drag and drop your multiple OPUS files into this 100% free online OPUS to ALAC converter (.opus 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 OPUS files are removed from our servers right after. Also see:Convert M4A to M4R.
Drop your OPUS files here to convert to ALAC, or click to browse
Converts .opus to ALAC (.alac) in HD quality — bulk, free, no signup
Choose FilesOPUS vs ALAC — File Format Comparison
See how OPUS and ALAC compare across file extension, MIME type, compression, and feature support. Related:Batch OPUS to AIF converter.
| Feature | OPUS | ALAC |
|---|---|---|
| File Extension | .opus | .alac |
| MIME Type | audio/opus | audio/mp4 |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
What Is OPUS Format?
Opus — the IETF standard for internet voice and music streaming; outperforms MP3, AAC, and Vorbis at every bitrate, and is the default codec for WebRTC, Discord, and Spotify Connect.
- Compression: Lossy
- 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