Bulk WMA to MP3 Converter Online — Free HD Quality
Drag and drop your multiple WMA files into this 100% free online WMA to MP3 converter (.wma to .mp3), and click the Convert button to bulk convert them to MP3 format in HD quality. Use the quality slider to fine-tune your MP3 output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original WMA files are removed from our servers right after. Also see:How to convert WAV to MP2?.
Drop your WMA files here to convert to MP3, or click to browse
Converts .wma to MP3 (.mp3) in HD quality — bulk, free, no signup
Choose FilesWMA vs MP3 — File Format Comparison
See how WMA and MP3 compare across file extension, MIME type, compression, and feature support.
| Feature | WMA | MP3 |
|---|---|---|
| File Extension | .wma | .mp3 |
| MIME Type | audio/x-ms-wma | audio/mpeg |
| 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 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.
- Compression: Lossy
- Tags & Metadata: Supported