Bulk M4P to OPUS Converter Online — Free HD Quality
Drag and drop your multiple M4P files into this free online M4P to OPUS converter (.m4p 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 — your original M4P 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
M4P vs OPUS — File Format Comparison
| Feature | M4P | OPUS |
|---|---|---|
| File Extension | .m4p | .opus |
| MIME Type | audio/mp4 | audio/opus |
| Compression Type | Lossy | Lossy |
| Metadata Support | Yes | Yes |
What Is M4P Format?
Protected MPEG-4 Audio — Apple's FairPlay DRM-protected AAC format used in early iTunes Store purchases; non-DRM M4P files (iTunes DRM removal, 2009) can be converted, but actively DRM-locked files will fail.
- Compression: Lossy
- 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
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