Bulk AMR to WMA Converter Online — Free HD Quality
Drag and drop your multiple AMR files into this 100% free online AMR to WMA converter (.amr 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 AMR files are removed from our servers right after. Also see:Convert MP3 to WMA.
Drop your AMR files here to convert to WMA, or click to browse
Converts .amr to WMA (.wma) in HD quality — bulk, free, no signup
Choose FilesAMR vs WMA — File Format Comparison
See how AMR and WMA compare across file extension, MIME type, compression, and feature support. Related:Turn AMR into M4R.
| Feature | AMR | WMA |
|---|---|---|
| File Extension | .amr | .wma |
| MIME Type | audio/amr | audio/x-ms-wma |
| Compression Type | Lossy | Lossy |
| Metadata Support | No | Yes |
What Is AMR Format?
Adaptive Multi-Rate — the standard voice codec for GSM and UMTS mobile networks, used in phone call recordings and voice messages; delivers compact files optimised for speech at 8 kHz. See also:AMR to MP2 conversion.
- Compression: Lossy
- Tags & Metadata: Not 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