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AAC to WMA - Online Audio Converter
Convert AAC to WMA online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AAC to WMA
Drop AAC audio here or click to select
AAC
WMA (WMA v2)
About AAC to WMA
Convert AAC to WMA. AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music. WMA is Microsoft's audio codec paired with Windows Media workflows. Copy-protected store files cannot be converted; use DRM-free sources..
Why convert AAC to WMA?
- Smaller files with WMA lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AAC vs WMA
| Codec | AAC | WMA v2 |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | AAC is the MPEG-4 successor to MP3 used by YouTube and Apple Music. | WMA is Microsoft's audio codec paired with Windows Media workflows. |
When not to convert AAC to WMA
- Skip WMA for archival masters: lossy compression discards detail, so keep the AAC original.
- Keep a master copy: repeated exports stack small losses, so archive AAC before batch WMA shares.
Limits
Starting point: AAC - Efficient lossy audio for streaming services. Container variants (ADTS, MP4) need matching extensions on export. Copy-protected store files cannot be converted; use DRM-free sources. Encode WMA (WMA v2) from AAC at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert AAC to WMA?
Drop your AAC file onto this page, choose quality and codec settings, then click Convert. The result downloads as WMA instantly. All processing runs in your browser.
What codec is used for WMA?
The default codec for WMA is WMA v2. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.