Convert WMA to M4A Online Free
Convert WMA audio to M4A format for Apple Music, iPhone, and iTunes compatibility. FFmpeg transcodes from Microsoft's Windows Media Audio to Apple's AAC-based M4A container.
ChangeThisFile converts your WMA to M4A using FFmpeg on secure servers. M4A is Apple's standard audio container using the AAC codec, natively supported on iPhone, iPad, Apple Music, and iTunes. WMA files are not supported on Apple devices, so converting to M4A enables playback across the entire Apple ecosystem. Files are auto-deleted, free with no signup.
Convert WMA to M4A
Drop your WMA file here to convert it instantly
Drag & drop your .wma file here, or click to browse
Convert to M4A instantly
WMA vs M4A: Format Comparison
Key differences between the two formats
| Feature | WMA | M4A |
|---|---|---|
| Developer | Microsoft | Apple / MPEG |
| Codec | Windows Media Audio | AAC |
| Apple Device Support | Not supported | Native |
| Windows Media Player | Native | Requires codec |
| iTunes Compatibility | No | Full native |
| Android Support | Limited | Native |
| Streaming Ecosystem | Windows Media | Apple Music, Spotify |
| DRM Capability | PlayReady | FairPlay |
When to Convert
Common scenarios where this conversion is useful
Migrating WMA library to Apple devices
Users switching from Windows to Apple devices often have WMA music libraries. Convert WMA files to M4A to import them into Apple Music and sync across iPhone, iPad, and Mac.
iTunes library import
iTunes does not support WMA playback on macOS. Convert WMA albums to M4A for native iTunes import, metadata display, and full Apple Music library integration.
iPhone and iPad music playback
iPhone and iPad do not support WMA. Convert your WMA music collection to M4A for native playback in the Apple Music app without third-party software.
AirPlay and HomePod streaming
Convert WMA audio to M4A to stream music to HomePod speakers and AirPlay-enabled receivers through Apple's native media sharing system.
How to Convert WMA to M4A
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1
Upload your WMA file
Click the upload area or drag and drop your WMA file. Files up to 50MB are accepted and uploaded over an encrypted HTTPS connection.
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2
Convert to M4A
Click Convert. FFmpeg decodes the WMA audio and re-encodes it as AAC audio in an MPEG-4 M4A container, optimized for Apple Music and iPhone playback.
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3
Download your M4A file
Download the M4A file when conversion completes. The file is automatically deleted from our servers after download.
Frequently Asked Questions
Yes. Converting between two lossy codecs (WMA to AAC) introduces generation loss. The audio is decoded from WMA and re-encoded as AAC. Use a high output bitrate to minimize quality degradation.
Yes. Apple Music recognizes M4A as a native format. Drag and drop the M4A file into Apple Music or use File > Import to add it to your library with full metadata support.
Yes, mostly. FFmpeg maps WMA metadata fields (title, artist, album, track) to M4A iTunes tags. Some Windows Media-specific fields may not have direct M4A equivalents. Cover art may transfer in many cases.
Yes. Android natively supports M4A/AAC audio. Most Android music players handle M4A files without additional codecs, making M4A a good cross-platform choice for non-Windows use.
No. WMA files with Microsoft PlayReady DRM cannot be converted. Only DRM-free WMA files can be processed. DRM-protected files will fail conversion.
FFmpeg selects a standard high-quality AAC bitrate appropriate for the source WMA audio. For music, 192-256 kbps AAC delivers near-transparent quality.
iTunes/Apple Music on macOS does not include a WMA decoder. WMA is a Microsoft-proprietary codec that Apple never licensed for its software. Converting to M4A is the standard solution.
Yes. Files are uploaded over HTTPS, processed by FFmpeg on our secure server, and automatically deleted after download. We do not store or share your audio files.
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