Bulk MP3 to WMA Converter Online — Free HD Quality
Drag and drop your multiple MP3 files into this 100% free online MP3 to WMA converter (.mp3 to .wma), and click the Convert button to bulk convert them to WMA format in HD quality. Use the quality slider to fine-tune your WMA output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original MP3 files are removed from our servers right after. Also see:How do I change WAVE to MP3?.
Drop your MP3 files here to convert to WMA, or click to browse
Converts .mp3 to WMA (.wma) in HD quality — bulk, free, no signup
Choose FilesMP3 vs WMA — File Format Comparison
See how MP3 and WMA compare across file extension, MIME type, compression, and feature support. Related:Convert M4A files in bulk to FLAC.
| Feature | MP3 | WMA |
|---|---|---|
| File Extension | .mp3 | .wma |
| MIME Type | audio/mpeg | audio/x-ms-wma |
| Compression Type | Lossy | Lossy |
| Metadata Support | Yes | Yes |
What Is MP3 Format?
MPEG-1 Audio Layer III — the world's most popular compressed audio format, balancing sound quality with small file sizes for music streaming, downloads, and portable devices. See also:Turn AMR into iPhone Audio.
- Compression: Lossy
- Tags & Metadata: Supported
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