Bulk MP1 to OPUS Converter Online — Free HD Quality
Drag and drop your multiple MP1 files into this 100% free online MP1 to OPUS converter (.mp1 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 MP1 files are removed from our servers right after. Also see:Switch M4R to M4A format.
Drop your MP1 files here to convert to OPUS, or click to browse
Converts .mp1 to OPUS (.opus) in HD quality — bulk, free, no signup
Choose FilesMP1 vs OPUS — File Format Comparison
See how MP1 and OPUS compare across file extension, MIME type, compression, and feature support. Related:How to convert MP1 to WMA online?.
| Feature | MP1 | OPUS |
|---|---|---|
| File Extension | .mp1 | .opus |
| MIME Type | audio/mpeg | audio/opus |
| Compression Type | Lossy | Lossy |
| Metadata Support | No | Yes |
What Is MP1 Format?
MPEG-1 Audio Layer 1 — the earliest MPEG audio codec, used in Video CD and some legacy broadcast equipment; superseded by MP2 and MP3 and encountered only in archival digital video content.
- Compression: Lossy
- Tags & Metadata: Not 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