WAV to M4A · Free

Convert WAV to M4A

Turn your WAV file into an M4A that plays where you need it, with nothing to install.

Free to start
Nothing to install
Up to 1GB

How it works

How to convert WAV to M4A

Upload your WAV file
Drag and drop a WAV file to turn into M4A, or click to browse. Anything under 1GB, and nothing is installed.
Keep M4A selected
M4A is already selected for your WAV, first in the list. Pick MP3 or WAV instead if you change your mind.
Convert and download
We convert the WAV on our servers, usually in under a minute. Create a free account to download the M4A.

Why convert WAV to M4A?

WAV holds raw uncompressed PCM audio: nothing is thrown away, nothing is guessed on playback. It is the format audio editors and mastering tools want, and it is far too heavy to send around casually.

The practical problem: Around 10 MB per minute, so files get unmanageable quickly. Too large for email attachments or messaging apps.

M4A solves that. Better quality than MP3 at the same bitrate, and native on Apple devices.

Container

WAVRIFF / WAVE

M4AMPEG-4 audio

Typical codecs

WAVUncompressed PCM

M4AAAC (lossy) or ALAC (lossless)

Best for

WAVEditing, mastering, voiceover work

M4AVoice memos and Apple audio exports

Plays on

WAVEvery desktop and audio tool; large for phones

M4AApple devices natively, most others too

File size

WAVAbout 10 MB per minute in stereo

M4ASlightly smaller than MP3 at the same quality

Feature	WAV	M4A
Container	RIFF / WAVE	MPEG-4 audio
Typical codecs	Uncompressed PCM	AAC (lossy) or ALAC (lossless)
Best for	Editing, mastering, voiceover work	Voice memos and Apple audio exports
Plays on	Every desktop and audio tool; large for phones	Apple devices natively, most others too
File size	About 10 MB per minute in stereo	Slightly smaller than MP3 at the same quality

FAQ

WAV to M4A questions

Is the WAV to M4A converter free?

Yes. Convert and preview the result for free, then create a free account to download it. There is no per-file charge, and nothing is added to the sound of the M4A.

Do I need to install any software?

No. The conversion runs on our servers and you use it from a browser tab, so it works the same on Windows, macOS, Linux, iPhone and Android. Nothing to install at either end. Where WAV plays: Every desktop and audio tool; large for phones. Where the M4A you get back plays: Apple devices natively, most others too.

Does converting WAV to M4A reduce the quality?

WAV to M4A is a re-encode, so a small amount of detail is lost. At the default quality level the difference is inaudible on speech, and for music it stays well below what typical playback gear reveals.

How large a file can I convert?

Anything under 1GB per upload, which is more footage in some formats than others. WAV: About 10 MB per minute in stereo. M4A coming back: Slightly smaller than MP3 at the same quality. For anything bigger, trim or compress it first, both are free tools here.

Is my file kept private?

Your upload is processed and then held only as long as your project needs it. Nothing is published, indexed or shared unless you create a share link yourself.

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