Convert Audio Interchange File Format (.aiff) to Windows Media Audio (.wma) online for free. Fast, secure audio conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .aiff 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.
AIFF is Apple's professional uncompressed format, while WMA (Windows Media Audio) is Microsoft's codec from 1999. WMA was deeply embedded in Windows Media Player, Zune, and the Windows digital music ecosystem. Converting AIFF to WMA produces first-generation WMA encoding from uncompressed source — the best possible WMA quality. This conversion bridges Apple studio environments with legacy Microsoft infrastructure.
Enterprise Windows environments running Windows Media Services, legacy car infotainment systems with WMA-only support, and older portable media players (Zune, Creative Zen, SanDisk Sansa) require WMA format. If your audio originates in an Apple production environment and must reach Microsoft legacy endpoints, this conversion is necessary.
FFmpeg decodes AIFF PCM and encodes using wmav2 (WMA Standard) at configurable bitrates (64-320 kbps) or wmalossless for WMA Lossless. The output uses the ASF container with .wma extension. WMA Standard at 192 kbps from uncompressed source produces good quality. WMA Pro supports 24-bit, 96 kHz, and multichannel (7.1) audio.
First-generation WMA encoding from uncompressed AIFF produces optimal WMA quality. WMA at 192 kbps is listenable but slightly behind AAC at the same bitrate. WMA Lossless from AIFF is bit-for-bit perfect. At 256 kbps WMA Standard, quality is good enough for most casual listening scenarios.
| Device | AIFF | 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
AIFF to WMA is a cross-ecosystem bridge from Apple studio to Microsoft playback. Use WMA at 192+ kbps for acceptable lossy quality, or WMA Lossless for perfect quality on Windows devices.
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| No |
| Caracteristică | AIFF | WMA |
|---|---|---|
| Nume complet | Audio Interchange File Format | Windows Media Audio |
| Extensie | .aiff | .wma |
| Cel mai potrivit pentru | Lossless quality | Windows native |