Convert AIFF to WMA Online Free

Convert AIFF audio to WMA format for Windows Media Player and Xbox compatibility. FFmpeg encodes your lossless AIFF to WMA, converting from Apple's uncompressed format to Microsoft's compressed codec.

By ChangeThisFile Team · Last updated: March 2026

Quick Answer

ChangeThisFile converts your AIFF to WMA using FFmpeg on secure servers. WMA is Microsoft's audio codec with native Windows and Xbox support. AIFF is not supported on Windows natively, so converting to WMA enables playback in Windows Media Player and other Windows-centric environments. Files are auto-deleted after conversion, free with no signup.

Free No signup required Encrypted transfer · Auto-deleted Under 2 minutes Updated March 2026

Convert AIFF to WMA

Drop your AIFF file here to convert it instantly

Drag & drop your .aiff file here, or click to browse

Convert to WMA instantly

AIFF vs WMA: Format Comparison

Key differences between the two formats

FeatureAIFFWMA
CompressionUncompressed PCMLossy
DeveloperApple Inc.Microsoft
Windows NativeNot supportedYes
macOS NativeYesNo
Xbox CompatibilityNoYes
File Size (3 min)~30–60 MB~3–8 MB
DRM SupportNoYes (PlayReady)
Platform StrengthmacOS / AppleWindows / Xbox

When to Convert

Common scenarios where this conversion is useful

Cross-platform sharing from macOS to Windows

AIFF files recorded on macOS cannot be played natively on Windows. Convert AIFF to WMA to share audio with Windows users who rely on Windows Media Player.

Xbox game soundtrack integration

Xbox does not support AIFF but supports WMA for custom soundtracks. Convert AIFF recordings or music to WMA for use in Xbox media libraries and gaming soundtracks.

Reducing file size from lossless AIFF

AIFF files are very large. Converting to WMA dramatically reduces file size while maintaining acceptable audio quality for distribution and portable storage on Windows devices.

Windows enterprise media systems

Corporate audio systems and Windows-based telephony platforms often require WMA. Convert AIFF source audio from macOS recording sessions to WMA for deployment in these enterprise environments.

Who Uses This Conversion

Tailored guidance for different workflows

Musicians & Producers

  • Convert AIFF recordings to WMA for distributing tracks to streaming platforms or collaborators
  • Transform AIFF stems to WMA for sharing with other producers or mixing engineers
Use lossless settings when converting to WMA if the audio will be mastered or remixed later
Verify that the sample rate and bit depth are preserved during AIFF to WMA conversion

Podcasters

  • Convert AIFF episode recordings to WMA for publishing on Apple Podcasts, Spotify, or RSS feeds
  • Transform AIFF interview recordings to WMA for editing in Audacity or Adobe Audition
Target 128-192 kbps for spoken word WMA files to balance quality and download size
Add ID3 metadata after converting to WMA so podcast apps display the correct episode info

Content Creators

  • Convert AIFF audio from video shoots to WMA for use as background music or voiceovers
  • Extract and convert AIFF audio to WMA for repurposing content across multiple platforms
Normalize audio levels after converting to WMA to ensure consistent volume across clips
Check that the WMA format is supported by your editing software before batch converting

How to Convert AIFF to WMA

  1. 1

    Upload your AIFF file

    Click the upload area or drag and drop your AIFF file. Files up to 25MB (free tier; 500MB on Pro) are accepted. The upload is secured with HTTPS encryption.

  2. 2

    Convert to WMA

    Click Convert. FFmpeg decodes the AIFF PCM audio and encodes it as WMA using Windows Media Audio codec parameters, producing a Windows-compatible audio file.

  3. 3

    Download your WMA file

    Download the WMA file, which will be much smaller than the AIFF source. The file is automatically deleted from our servers after download.

Frequently Asked Questions

Yes. WMA is a lossy codec. Converting from lossless AIFF to WMA introduces irreversible quality reduction. However, starting from lossless AIFF ensures the best possible WMA output, as no prior compression artifacts exist in the source.

Windows does not include a native AIFF decoder. AIFF is Apple's format and only natively supported on macOS. Windows users need iTunes, VLC, or other third-party software to play AIFF files.

Yes. Windows 11 includes native WMA codec support. WMA files play in Windows Media Player, the Movies & TV app, and File Explorer preview without any additional software.

Significantly smaller — typically 5-10x. A 50 MB AIFF file often becomes 4-8 MB as WMA at standard bitrates, making it practical for email, portable storage, and Windows-based libraries.

Not natively. macOS does not include a WMA decoder. iTunes and Apple Music on macOS cannot play WMA. VLC for macOS can play WMA files with its bundled codecs.

Yes, mostly. FFmpeg converts AIFF metadata to Windows Media Audio attributes. Title, artist, and album fields transfer. AIFF-specific loop markers (MARK/INST) do not transfer to WMA.

Not recommended for archiving. WMA is a proprietary Microsoft format with uncertain long-term support. For archiving losslessly, convert AIFF to FLAC instead. For Windows distribution, WMA is acceptable.

Yes. Files are uploaded over HTTPS, processed by FFmpeg on our server, and automatically deleted after download. We do not retain or analyze your audio files.

Related Conversions

Related Tools

Free tools to edit, optimize, and manage your files.

Need to convert programmatically?

Use the ChangeThisFile API to convert AIFF to WMA in your app. No rate limits, up to 500MB files, simple REST endpoint.

View API Docs
Read our guides on file formats and conversion

Ready to convert your file?

Convert AIFF to WMA instantly — free, no signup required.

Start Converting