Convert ALAC to WMA — Free Online Converter
Convert Apple Lossless Audio Codec (.alac) to Windows Media Audio (.wma) online for free. Fast, secure audio conversion with no watermarks or registra...
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Cách chuyển đổi
Upload your .m4a file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .wma file when it's ready.
About ALAC to WMA Conversion
ALAC is Apple's lossless audio codec in M4A containers. WMA (Windows Media Audio) is Microsoft's codec family — WMA Standard (lossy), WMA Pro (multichannel), and WMA Lossless (bit-perfect). Converting ALAC to WMA bridges Apple's lossless ecosystem with the Windows Media world.
For WMA Standard output, this is a lossless-to-lossy conversion that leverages ALAC's perfect source quality. For WMA Lossless output, it is a lossless-to-lossless transfer between ecosystems with zero quality compromise.
Why Convert ALAC to WMA?
Windows Media Player and Windows-based corporate environments may require WMA format. Converting ALAC to WMA enables playback in these Windows-centric systems. For WMA Lossless, the conversion provides bit-perfect audio in Microsoft's native lossless format.
If you are migrating from an Apple to Windows ecosystem and want to maintain lossless quality, WMA Lossless is the Microsoft equivalent of ALAC. Both are lossless codecs with similar compression ratios.
Common Use Cases
- Migrating Apple ALAC libraries to Windows Media Player format
- Converting ALAC to WMA Lossless for Windows-native lossless playback
- Preparing Apple audio for corporate Windows media environments
- Creating WMA files from lossless sources for Windows-based distribution
- Building Windows Media Player libraries from Apple Music downloads
How It Works
FFmpeg decodes ALAC to PCM and encodes using wmav2 (WMA Standard) or WMA Lossless into an ASF container. The lossless ALAC decode provides perfect PCM for optimal WMA encoding. For WMA Standard, quality depends on bitrate. For WMA Lossless, the output is bit-perfect. M4A metadata is mapped to ASF attributes.
Quality & Performance
WMA Standard at 128-192 kbps produces good quality from the lossless ALAC source. WMA Lossless preserves every sample exactly — a perfect lossless-to-lossless transfer. WMA Standard is slightly less efficient than AAC at equivalent bitrates.
Device Compatibility
| Device | ALAC | WMA |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Native | Partial |
| iPhone/iPad | Native | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
Spotify
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Apple Music
Resolution: N/A
Bitrate: 256 kbps
AAC format required
SoundCloud
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Podcast
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
Tips for Best Results
- 1Use WMA Lossless for perfect quality transfer from ALAC to the Windows ecosystem
- 2For WMA Standard, use 192 kbps for high quality from your lossless source
- 3Map M4A metadata to ASF attributes for proper Windows Media Player display
- 4Only convert to WMA when Windows ecosystem compatibility is specifically required
- 5For cross-platform needs, FLAC is a better lossless target than WMA Lossless
Related Conversions
ALAC to WMA bridges Apple and Microsoft lossless ecosystems. Use WMA Lossless for perfect quality or WMA Standard for compact files.