Convert WAV to M4A Online
Need to convert WAV to M4A right now? Drop your file and get results in seconds. Everything runs in your browser. Your audio never leaves your device.
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WAV (.wav) · Max 20 MB
AudioUtils converts WAV to M4A using WebAssembly. The entire process happens locally. No upload, no server, no waiting in a queue.
Open any browser. Pick your file. Click convert. The M4A file downloads instantly. Works on any device with a modern browser.
WAV is lossless. Converting to M4A reduces file size at the cost of some audio data. Use a high bitrate to minimize loss. The converter handles files up to 20MB on the free tier. Need larger files? Pro removes all limits.
Frequently Asked Questions
How much smaller is M4A compared to WAV?
About 85-90% smaller. A 50MB WAV file becomes roughly 5-7MB as M4A at 256kbps AAC.
Is M4A or MP3 better for quality?
M4A (AAC) is better. At the same bitrate, AAC delivers noticeably superior audio quality compared to MP3.
Will my WAV metadata transfer?
Basic metadata (title, artist, album) transfers when available. M4A actually has better metadata support than WAV, including album art.
Can I use M4A in video editing?
Yes. M4A is the audio-only version of the MP4 container. Most video editors accept it directly.
About WAV
Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.
About M4A
Apple's preferred audio format. Better quality than MP3 at same bitrate. Default for iTunes and Apple devices.