Bulk WMA to OPUS Converter Online — Free HD Quality
Drag and drop your multiple WMA files into this free online WMA to OPUS converter (.wma 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 WMA 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
WMA vs OPUS — File Format Comparison
| Feature | WMA | OPUS |
|---|---|---|
| File Extension | .wma | .opus |
| MIME Type | audio/x-ms-wma | audio/opus |
| Compression Type | Lossy | Lossy |
| Metadata Support | Yes | Yes |
What Is WMA Format?
Windows Media Audio — Microsoft's proprietary lossy audio codec bundled with Windows Media Player, commonly found in legacy Windows media libraries and early-2000s digital music stores.
- 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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