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M4A WAV
File conversion

Convert M4A to WAV

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Verified by Adam B.· reviewed by FE Editorial ·updated Aug 14, 2026
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Is it possible to convert M4A to WAV?
Yes - M4A converts to WAV.

You can do it right here with our free converter - no sign-up, and your file is deleted right after.

Upload your M4A above and download the WAV in seconds - it is free and your file is deleted after converting. The WAV will be noticeably larger than the source M4A. If your M4A uses AAC (lossy), converting to WAV does not restore quality - the WAV simply holds the decoded output.

Also to WAV: PCM · GSM · WV

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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Why convert M4A to WAV?

WAV is the preferred import format for DAWs, audio editors, broadcast workflows, and telephony systems that refuse compressed audio. Many older professional tools, hardware recorders, and archiving pipelines only accept uncompressed PCM in a .WAV container. If an application rejects your M4A, WAV almost always works as a fallback.

How to convert M4A to WAV

Command line - ffmpeg CLI

Run ffmpeg -i input.m4a output.wav - ffmpeg decodes AAC or ALAC and writes standard PCM WAV with no extra flags needed.

VLC media player FREE

Go to Media > Convert/Save, add your .m4a, choose the Audio - WAV profile, set a destination, and click Start.

Audacity FREE

Import your .m4a via File > Import > Audio (requires the optional FFmpeg library), then export as WAV from File > Export.

fre:ac FREE

Add your .m4a files, select WAV as the output format in the encoder dropdown, and click Convert.

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About these formats

.M4A MPEG-4 Audio File

An M4A file is an MPEG-4 audio file - the audio-only version of an MP4, usually containing AAC (lossy) or ALAC (Apple Lossless) audio. It plays natively on Windows 11, macOS, iPhone, and…

Open .M4A details →
.WAV Waveform Audio File Format

A WAV file is an uncompressed digital audio file introduced by Microsoft and IBM in 1991. Double-click one and it plays in Windows Media Player, macOS Music/QuickTime, or VLC on any system.…

Open .WAV details →

Quality & what to watch

  • If your M4A uses AAC (lossy), converting to WAV does not improve quality - the WAV holds the decoded AAC output and quality is bounded by the original encode.
  • If your M4A uses ALAC (Apple Lossless), the resulting WAV is bit-perfect - every sample is preserved.
  • WAV files are significantly larger than M4A: a 4-minute AAC track (~7 MB) becomes roughly 40 MB as 16-bit 44.1 kHz stereo WAV, and the format has a 4 GB file size limit.

Frequently asked questions

Does converting M4A to WAV improve audio quality?
No. The conversion decodes the existing audio to PCM without adding any information the original encoder discarded. Quality is identical to what the M4A already contained.
How do I tell if my M4A uses AAC or ALAC?
Run ffmpeg -i yourfile.m4a in a terminal and look at the audio stream line - it will say aac or alac. VLC also shows this under Tools > Media Information > Codec.
Will artist, album, and artwork tags transfer to WAV?
Usually not - WAV has very limited metadata support and most players ignore its tag fields. Keep a copy of the M4A if you need tags intact.
Should I convert to WAV or FLAC instead?
Use WAV when your target application requires it. FLAC gives the same audio quality at roughly half the file size and is a better choice for long-term lossless storage.