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Convert M4A to WAV on your Mac

M4A lands on your Mac straight from your iPhone, Music, or camera. Convert M4A to WAV on your device, nothing uploaded. The desktop app batches a whole folder at once.

Conversion Successful
100% local. Your file is processed in this tab and never uploaded.

How to Convert M4A to WAV on a Mac

  1. 1

    Drop your M4A file

    Drag it into the converter above, or click to browse. Nothing is uploaded.

  2. 2

    Adjust settings (optional)

    Trim, fade, or adjust volume from the sliders icon.

  3. 3

    Convert and download

    WAV is preselected. The file converts in this tab and downloads when done.

Why Convert M4A to WAV?

M4A is what a Mac hands you: Voice Memos, GarageBand bounces, anything bought or ripped through the Music app. Most editors will open it, and then quietly work around it.

WAV skips that. Uncompressed samples go straight into a session, get sliced and processed without a decode step in front of every operation, and behave the same in every tool you pass them to.

M4A
WAV
Compression
Lossy (AAC) or lossless (ALAC)
Compression
Uncompressed (PCM)
Container
MP4 audio
Bit depth
16 / 24 / 32-bit
Sample rate
Up to 96 kHz
Sample rate
Up to 192 kHz
Metadata
iTunes-style tags
Metadata
Limited
Device support
Apple, modern Android
Device support
Universal
Typical use
iTunes, Voice Memos
Typical use
Pro audio, mastering

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Frequently Asked Questions

How do I convert M4A to WAV on a Mac?
Drop the file into the converter above, pick WAV, then hit Convert. Your Mac does the whole job inside this tab, so the file is never uploaded and the page keeps working with the Wi-Fi off. The desktop app adds folder-at-a-time batches and drops the browser size caps.
Why is the browser limit only 100 MB here?
Uncompressed decoding holds the whole file in memory as float samples, and a long recording can exhaust the tab's heap. The desktop app has no such ceiling.
Does converting improve the audio?
No, and nothing can. M4A is lossy, so the detail its encoder discarded is gone. WAV keeps what is left intact from here on, which is why it is the right format to edit in.
Will Voice Memos files work?
Yes. Voice Memos writes M4A, and those convert the same as any other.
What sample rate comes out?
The source rate is preserved, so a 48 kHz recording stays 48 kHz instead of being resampled down.
Is my file private?
Yes. The conversion runs in your browser tab and nothing is uploaded, so your files never leave your device. The only limit is size: 100 MB for this format. Bigger files route to the desktop app.

Prepping a session's worth of takes?

TeraConvert Desktop converts a folder of M4A files to WAV in one run, natively on your Mac, past the 100 MB browser limit.

Get TeraConvert for MacThis format runs in the Mac app. One-time Pro purchase, 14-day money-back guarantee.