Convert M4A to WMA Online Free
Convert M4A audio files to WMA format for Windows Media Player and Xbox compatibility. FFmpeg handles the transcoding from Apple's MPEG-4 audio container to Microsoft's Windows Media Audio codec.
By ChangeThisFile Team · Last updated: March 2026
ChangeThisFile converts your M4A to WMA using FFmpeg on secure servers. WMA is Microsoft's audio format, offering good compression and native playback support in Windows Media Player and Xbox consoles. This is a cross-ecosystem conversion from Apple to Microsoft format. Files are auto-deleted after conversion, free with no signup.
Convert M4A to WMA
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M4A vs WMA: Format Comparison
Key differences between the two formats
| Feature | M4A | WMA |
|---|---|---|
| Developer | Apple / MPEG | Microsoft |
| Codec | AAC (typically) | Windows Media Audio |
| DRM | FairPlay (optional) | PlayReady (optional) |
| Windows Media Player | Requires iTunes codec | Native support |
| Apple Device Support | Native | Not supported natively |
| Xbox Compatibility | Not supported | Fully supported |
| Open Standard | Partially (MPEG-4 container) | No (Microsoft proprietary) |
| Typical File Size | ~3–6 MB/3 min | ~3–8 MB/3 min |
When to Convert
Common scenarios where this conversion is useful
Moving music library from Apple to Windows ecosystem
Users switching from Apple to Windows devices may find M4A files don't play in Windows Media Player without extra codecs. Convert M4A files to WMA for seamless Windows Media Player compatibility.
Xbox media center
Xbox does not support M4A playback natively but supports WMA. Convert M4A music files to WMA to access your music library from an Xbox console.
Legacy Windows Mobile and Zune devices
Older Windows Mobile phones, Zune players, and Pocket PC devices support WMA but not M4A. Convert M4A audio files to WMA for playback on these Microsoft-ecosystem devices.
Enterprise Windows audio systems
Some corporate audio systems and telephony platforms built on Windows infrastructure only support WMA audio files. Convert M4A content to WMA for these enterprise deployments.
Who Uses This Conversion
Tailored guidance for different workflows
Musicians & Producers
- Convert M4A recordings to WMA for distributing tracks to streaming platforms or collaborators
- Transform M4A stems to WMA for sharing with other producers or mixing engineers
Podcasters
- Convert M4A episode recordings to WMA for publishing on Apple Podcasts, Spotify, or RSS feeds
- Transform M4A interview recordings to WMA for editing in Audacity or Adobe Audition
Content Creators
- Convert M4A audio from video shoots to WMA for use as background music or voiceovers
- Extract and convert M4A audio to WMA for repurposing content across multiple platforms
How to Convert M4A to WMA
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1
Upload your M4A file
Click the upload area or drag and drop your M4A file. Files up to 25MB (free tier; 500MB on Pro) are accepted and uploaded over an encrypted HTTPS connection.
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2
Convert to WMA
Click Convert. FFmpeg decodes the AAC audio inside the M4A container and re-encodes it using the Windows Media Audio codec into a WMA file.
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3
Download your WMA file
Download the converted WMA file when ready. The file is automatically deleted from our servers after download.
Frequently Asked Questions
Yes. Converting between two lossy codecs (AAC and WMA) always introduces generation loss. The audio is decoded from AAC and re-encoded as WMA, losing some quality in the process. For best results, convert from a lossless source when possible.
Not natively. Windows Media Player requires the Apple Application Support codec package to play M4A files. WMA plays natively in Windows Media Player without any additional software.
No. WMA is not supported on iOS. Apple devices use AAC and M4A natively. If you need cross-platform compatibility, consider keeping the M4A format or converting to MP3 instead.
Not ideal. WMA is a proprietary Microsoft format, and long-term support may vary. For archiving, lossless formats like FLAC or WAV are recommended. WMA is better suited for distribution and playback.
No. M4A files with Apple FairPlay DRM protection cannot be converted without authorization. Only DRM-free M4A files (identified by the absence of protection) can be processed.
FFmpeg selects a standard WMA bitrate based on the source audio parameters. WMA typically achieves good quality at 96-160 kbps for stereo music content.
Yes. Your file is uploaded over HTTPS encryption, processed by FFmpeg, and automatically deleted after you download the result. We do not store or share your files.
M4A audiobooks that are DRM-free can be converted. However, DRM-protected audiobooks from Audible or iTunes cannot be converted. Check your audiobook files for DRM before attempting conversion.
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