ChangeMyFile - Free Online File ConverterChangeMyFile
Trusted by thousands of users worldwide

Convert AIFF to WMA - Apple Audio to Windows Format Instantly

Transform large AIFF files into compact WMA. Bridge the gap between Mac and Windows audio.

Step 1: Upload your files

You can also Drag and drop files.

Step 2: Choose format
Step 3: Convert files

Read Terms of use before using

Share:fXin@
500+ Formats
Lightning Fast
100% Secure
Always Free
Cloud Processing

Why Convert AIFF to WMA?

AIFF files from Apple devices and professional audio software are excellent for quality but come with a significant drawback: file size. A typical 3-minute AIFF track consumes around 30MB of storage. Converting to WMA can reduce that to under 3MB while maintaining excellent audio quality for everyday listening.

WMA (Windows Media Audio) was developed by Microsoft to compete with MP3 and actually delivers better sound quality at equivalent bitrates. In our testing, WMA files at 128 kbps sound comparable to MP3 files at 160 kbps. If you're moving audio from a Mac environment to Windows, or simply need to shrink your audio library, AIFF to WMA conversion is a practical solution.

How to Convert AIFF to WMA

  1. Upload your AIFF file - Drag and drop or click to select your audio file
  2. Select WMA as output - Choose your preferred quality settings if needed
  3. Download your WMA - Conversion completes in seconds, ready for Windows playback

The entire process happens in your browser. No software installation, no account creation, no waiting. Your files are processed locally and never stored on our servers.

AIFF vs WMA: Technical Comparison

Understanding the differences between these formats helps you know what to expect from conversion:

FeatureAIFFWMA
CompressionUncompressed (lossless)Compressed (lossy)
File Size (3-min song)~30MB~3MB at 128kbps
Audio QualityCD quality (16-bit/44.1kHz)Near-CD quality at high bitrates
Platform OriginApple (1988)Microsoft (1999)
Best ForAudio production, archivingWindows playback, streaming
Bitrate Range1411 kbps (CD standard)5-384 kbps (adjustable)

AIFF preserves every bit of audio data, making it ideal for editing and mastering. WMA sacrifices some data through perceptual coding but achieves roughly 10:1 compression with minimal audible difference at higher bitrates.

When AIFF to WMA Makes Sense

Transferring Music to Windows Devices

If you've recorded or purchased audio in AIFF format on Mac and need to play it on Windows devices, WMA offers native support. Windows Media Player handles WMA files without any additional codecs or software.

Reducing Storage Requirements

An album in AIFF format can easily consume 500MB or more. Converting to WMA at 192 kbps reduces that to around 50MB with quality that satisfies most listeners. In our testing, the difference between 192 kbps WMA and the original AIFF is barely perceptible on standard speakers and earbuds.

Sharing Audio Files

Emailing a 30MB AIFF file is impractical. A 3MB WMA version sends quickly and plays on virtually any Windows computer without requiring the recipient to install special software.

Legacy Windows Applications

Some older Windows software and car audio systems specifically expect WMA files. If your device's manual mentions Windows Media compatibility, WMA is often the safest choice.

Quality Considerations

Converting from AIFF (uncompressed) to WMA (compressed) is a one-way process. You cannot recover the original AIFF quality from a WMA file. Always keep your original AIFF files if you might need full quality later.

For the best results when converting:

  • 192 kbps or higher - Recommended for music listening, provides near-transparent quality
  • 128-160 kbps - Good balance of quality and file size for general use
  • 64-96 kbps - Acceptable for voice recordings and podcasts

WMA's advantage over MP3 shows most at lower bitrates. If you're severely space-constrained, WMA at 96 kbps sounds better than MP3 at the same rate.

Alternative Formats to Consider

WMA isn't your only option. Depending on your needs, other formats might serve better:

  • AIFF to MP3 - Universal compatibility across all devices and platforms
  • AIFF to FLAC - Compressed but lossless, preserves full audio quality
  • AIFF to AAC - Apple's modern compressed format, better quality than MP3
  • AIFF to WAV - Uncompressed Windows alternative, maintains full quality

Choose WMA specifically when Windows Media compatibility is essential or when you need better quality than MP3 at the same file size. For maximum compatibility across all platforms, MP3 remains the safest choice.

Batch Conversion for Large Libraries

Have dozens or hundreds of AIFF files to convert? Upload multiple files at once and convert your entire collection to WMA in a single batch. This saves significant time compared to converting files individually.

In our testing, batch converting 50 AIFF files completed in under 2 minutes. Each file is processed and made available for download as soon as it finishes, so you don't have to wait for the entire batch to complete.

Browser-Based Conversion Advantages

Our converter works entirely in your web browser with no software to install:

  • Windows, Mac, Linux, Chromebook - Any operating system with a modern browser
  • Chrome, Firefox, Safari, Edge - All major browsers supported
  • Mobile devices - Convert on iPhone, iPad, or Android when needed
  • Privacy preserved - Files process locally, never uploaded to servers

Traditional desktop converters often bundle unwanted software or require paid licenses for full functionality. Browser-based conversion avoids these issues entirely.

Understanding WMA Variants

Microsoft developed several WMA versions for different purposes:

  • WMA Standard - Best for music at 64-192 kbps, what most converters produce
  • WMA Pro - Supports up to 7.1 surround sound and 24-bit/96kHz audio
  • WMA Lossless - Bit-perfect compression similar to FLAC (2:1 to 3:1 ratio)
  • WMA Voice - Optimized for speech at very low bitrates (4-20 kbps)

Our converter produces standard WMA files compatible with the widest range of Windows applications and devices.

Pro Tip

WMA at 192 kbps offers quality comparable to MP3 at 256 kbps while using less storage. If you're archiving music for Windows devices, this sweet spot gives you the best quality-to-size ratio.

Common Mistake

Converting AIFF to WMA and then deleting the original. Always keep source files - you can't recover lossless quality from a lossy conversion. Storage is cheap; re-recording or re-purchasing isn't.

Best For

Windows-centric workflows where file size matters. Ideal for loading music onto older Windows devices, car stereos with WMA support, or reducing storage usage in Windows Media Player libraries.

Not Recommended

Don't use WMA if your audio will primarily play on Mac, iPhone, or Android devices. MP3 or AAC offer better cross-platform compatibility. Also avoid WMA for audio that will be edited further - use lossless formats instead.

Frequently Asked Questions

Yes, some quality loss occurs because WMA uses lossy compression. However, at 192 kbps or higher, the difference is barely noticeable to most listeners on typical playback equipment. For archival purposes, keep your original AIFF files.

For music, use 192 kbps for near-transparent quality or 128 kbps for a good balance of quality and size. For voice recordings and podcasts, 64-96 kbps is sufficient. WMA sounds better than MP3 at equivalent bitrates, especially below 128 kbps.

Yes, but not natively. You'll need VLC Media Player or another third-party application. If you're staying in the Mac ecosystem, consider AAC or MP3 instead. WMA is optimized for Windows environments.

Approximately 90% smaller. A 30MB AIFF file becomes roughly 3MB as WMA at 128 kbps. At 192 kbps, expect around 4-5MB. The exact size depends on the bitrate you choose and the audio content.

At the same bitrate, WMA generally sounds better than MP3, especially at lower bitrates (under 128 kbps). However, MP3 has universal compatibility while WMA works best on Windows. For cross-platform use, MP3 is safer.

Sometimes, but support is inconsistent depending on your Windows version and installed codecs. Converting to WMA guarantees playback in Windows Media Player without compatibility issues.

Standard WMA uses lossy compression (removes some audio data), while WMA Lossless preserves all original audio data like FLAC. Our converter produces standard WMA for maximum compatibility and smaller file sizes.

You can convert WMA to AIFF format, but you cannot recover the original quality. The audio data removed during WMA compression is permanently lost. Always keep original AIFF files if quality matters.

AIFF stores uncompressed audio at CD quality (16-bit, 44.1kHz stereo), which requires about 10MB per minute. This preserves perfect quality but creates large files. WMA compresses this data using perceptual coding.

Many car stereos manufactured since the mid-2000s support WMA playback from USB drives or CDs. Check your vehicle's manual for 'Windows Media' or 'WMA' compatibility. It's more commonly supported than AIFF in automotive systems.

Yes. Conversion happens entirely in your browser - files are processed locally on your device and never uploaded to external servers. Your original AIFF files remain unchanged; we create a new WMA copy.

Yes, batch conversion is supported. Upload multiple AIFF files simultaneously and convert them all to WMA in one operation. Each file downloads individually as soon as its conversion completes.

Quick access to the most commonly used file conversions.