Convert WAV to M4A Online Free
Convert WAV audio to M4A format. Server-side processing with FFmpeg ensures high-quality audio conversion with optimal encoding settings.
ChangeThisFile converts your WAV audio to the compact M4A format using FFmpeg on our secure servers. M4A with AAC encoding shrinks file size dramatically while keeping excellent listening quality for music and voice. Your file is auto-deleted after processing, free with no signup needed.
Convert WAV to M4A
Drop your WAV file here to convert it instantly
Drag & drop your .wav file here, or click to browse
Convert to M4A instantly
WAV vs M4A: Format Comparison
Key differences between the two formats
| Feature | WAV | M4A |
|---|---|---|
| Codec | PCM (uncompressed) | AAC (MPEG-4 Audio) |
| Compression | None (uncompressed) | Lossy (AAC-LC/HE-AAC) |
| Quality | Lossless / perfect | Better than MP3 at same bitrate |
| Typical bitrate | 1,411 kbps (CD quality) | 64-320 kbps |
| Max sample rate | Up to 192 kHz | Up to 96 kHz |
| Channels | Up to 8 | Up to 48 |
| Metadata | RIFF INFO chunks | iTunes-style MP4 tags |
| Compatibility | Universal | Apple ecosystem, most modern players |
When to Convert
Common scenarios where this conversion is useful
Reduce file size for sharing
Convert large WAV files to M4A for email, messaging, or web upload where smaller files are needed.
Mobile device storage
Save storage space on phones and portable players by converting WAV to more compact M4A files.
Podcast distribution
Convert high-quality WAV recordings to M4A for podcast hosting platforms that require compressed audio.
Web audio embedding
Use M4A for embedding audio on websites where bandwidth and load times matter.
Apple ecosystem integration
M4A is the native format for iTunes, Apple Music, and iOS devices with excellent quality at smaller sizes.
How to Convert WAV to M4A
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1
Upload your WAV file
Drag and drop your .wav file onto the converter, or click to browse. Files up to 50 MB are supported for free.
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2
Server-side conversion
Your file is securely uploaded and converted on our servers using FFmpeg, the industry-standard multimedia framework. This typically takes a few seconds.
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3
Download the result
Once conversion is complete, click Download to save your .m4a file. The uploaded file is automatically deleted from our servers.
Frequently Asked Questions
Yes, completely free. Convert WAV to M4A with no cost, no signup, and no watermarks.
No. Files are automatically deleted immediately after conversion. Nothing is stored or retained.
Yes. Files are transferred over encrypted HTTPS connections. Your data is protected in transit.
The conversion uses FFmpeg, the industry-standard multimedia framework on our servers, ensuring reliable and high-quality output.
Yes, some quality is lost when converting from lossless WAV to lossy M4A. The converter uses high bitrate settings to minimize perceptible loss.
Common metadata like title, artist, and album are transferred when supported by both WAV and M4A formats.
The converter uses high-quality default settings appropriate for M4A. The exact bitrate depends on the format's optimal encoding parameters.
The original sample rate is preserved in the output file whenever the target format supports it.
M4A supports Up to 48. Channel layout is preserved when supported by both formats.
File size depends on duration, bitrate, and compression. M4A files with Lossy (AAC-LC/HE-AAC) are smaller than uncompressed audio.
Currently, files are converted one at a time. Upload your next file after downloading the result.
Files up to 50 MB are supported for free conversion.
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