Bulk WMA to AAC Converter Online — Free HD Quality
Drag and drop your multiple WMA files into this 100% free online WMA to AAC converter (.wma to .aac), and click the Convert button to bulk convert them to AAC format in HD quality. Use the quality slider to fine-tune your AAC 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:WAV to FLAC conversion.
Drop your WMA files here to convert to AAC, or click to browse
Converts .wma to AAC (.aac) in HD quality — bulk, free, no signup
Choose FilesWMA vs AAC — File Format Comparison
See how WMA and AAC compare across file extension, MIME type, compression, and feature support. Related:Convert M4A to CAF.
| Feature | WMA | AAC |
|---|---|---|
| File Extension | .wma | .aac |
| MIME Type | audio/x-ms-wma | audio/aac |
| 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. See also:AAC to MP2 converter - no registration.
- Compression: Lossy
- Tags & Metadata: Supported
What Is AAC Format?
Advanced Audio Coding — the successor to MP3 adopted by Apple, YouTube, and mobile platforms; delivers better quality than MP3 at the same bitrate, especially below 128 kbps.
- Compression: Lossy
- Tags & Metadata: Supported