Bulk OPUS to ALAC Converter Online — Free HD Quality
Drag and drop your multiple OPUS files into this 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 — your original OPUS files are removed from our servers right after.
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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
OPUS vs ALAC — File Format Comparison
| 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
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