Bulk ALAC to OPUS Converter Online — Free HD Quality
Drag and drop your multiple ALAC files into this 100% free online ALAC to OPUS converter (.alac to .opus), and click the Convert button to bulk convert them to OPUS format in HD quality. Use the quality slider to fine-tune your OPUS 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:AC3 to MP3 - free, no signup.
Drop your ALAC files here to convert to OPUS, or click to browse
Converts .alac to OPUS (.opus) in HD quality — bulk, free, no signup
Choose FilesALAC vs OPUS — File Format Comparison
See how ALAC and OPUS compare across file extension, MIME type, compression, and feature support. Related:Handle many ALAC to M4A at once.
| Feature | ALAC | OPUS |
|---|---|---|
| File Extension | .alac | .opus |
| MIME Type | audio/mp4 | audio/opus |
| 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:Save AC3 as Android Audio.
- Compression: Lossless
- Tags & Metadata: Supported
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