Convert Audio Interchange File Format (.aif) to Windows Media Audio (.wma) online for free. Fast, secure audio conversion with no watermarks or registration.
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AIF is Apple's uncompressed PCM audio format from 1988, storing big-endian audio in an IFF-derived container built for professional use on classic Mac OS. WMA (Windows Media Audio) is Microsoft's proprietary audio codec family, introduced in 1999, stored within the ASF (Advanced Systems Format) container. WMA was designed as Microsoft's answer to MP3 and AAC, tightly integrated with Windows Media Player and the Windows ecosystem.
Converting AIF to WMA transcodes Apple's uncompressed format into Microsoft's proprietary lossy codec. This bridges two historically competing ecosystems — moving audio from Mac's lossless standard to Windows' compressed format. WMA Standard typically delivers quality comparable to MP3 at similar bitrates.
WMA is natively supported on all Windows PCs, Xbox consoles, and many standalone media players from the early 2000s-era portable music player ecosystem. If your target audience or systems are Windows-centric and lack support for AIF (which is not natively recognized by Windows), WMA provides a familiar, fully compatible format.
Some legacy enterprise systems, corporate media servers, and Windows Media Services deployments require WMA format for audio content. Government and institutional Windows deployments may mandate WMA for internal media distribution. Converting AIF to WMA ensures compatibility with these Microsoft-standardized environments.
FFmpeg decodes the AIF container's big-endian PCM stream and encodes using the wmav2 codec (WMA Standard v2) within an ASF container. WMA uses a modified DCT-based compression algorithm. Standard bitrates range from 32 kbps (speech quality) to 192 kbps (high quality). The ASF container adds header objects, data objects, and index objects for seeking. WMA Pro (wmapro codec) offers higher quality at the same bitrates but has reduced player compatibility.
WMA at 192 kbps delivers good quality from the lossless AIF source — comparable to MP3 at similar bitrates. At 128 kbps, quality is acceptable for casual listening. WMA performs slightly better than MP3 at bitrates below 128 kbps. Since AIF provides uncompressed PCM, the WMA encoder works from a perfect source without pre-existing compression artifacts. WMA is generally considered inferior to AAC at equivalent bitrates.
| Device | AIF | WMA |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
AIF to WMA converts Apple's uncompressed format to Microsoft's proprietary audio codec. Use it when Windows ecosystem compatibility is specifically required. For modern cross-platform use, AAC or Opus are superior alternatives.
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| No |
| Jellemzo | AIF | WMA |
|---|---|---|
| Teljes nev | Audio Interchange File Format | Windows Media Audio |
| Kiterjesztes | .aif | .wma |
| Leginkabb ajanlott | Lossless quality | Windows native |