WMA to WMA Lossless - Online Audio Converter
Convert WMA to WMA Lossless online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About WMA to WMA Lossless
Convert WMA to WMA Lossless. WMA is Microsoft's audio codec paired with Windows Media workflows. WMA Lossless packs CD audio bit-for-bit inside Windows Media. Few non-Windows players open it; convert FLAC for sharing..
Why convert WMA to WMA Lossless?
- Larger files than lossy shares with WMA Lossless lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
WMA vs WMA Lossless
| Codec | WMA v2 | WMA Lossless |
|---|---|---|
| Compression | lossy | lossless |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | WMA is Microsoft's audio codec paired with Windows Media workflows. | WMA Lossless packs CD audio bit-for-bit inside Windows Media. |
When not to convert WMA to WMA Lossless
- Skip WMA Lossless for the smallest share: lossless output stays large, so prefer a lossy target when sending WMA files.
- Keep a master copy: repeated exports stack small losses, so archive WMA before batch WMA Lossless shares.
Limits
Starting point: WMA - WMA is Microsoft's audio codec paired with Windows Media workflows. Copy-protected store files cannot be converted; use DRM-free sources. Few non-Windows players open it; convert FLAC for sharing. Encode WMA Lossless (WMA Lossless) from WMA 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.