5 Methods to Convert M4A to WAV on Windows 10 and Mac

By Cecilia Hwung | Last Update:

M4A files are encoded with lossy Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC), which helps a lot to reduce the file size. But the problem is that M4A is compatible with just a small number of devices and platforms, mainly Apple-owned ones, like iTunes, iPhone, iPad, iPod, etc.

To make it playing on more devices and platforms, converting M4A to WAV would be a good option. And in this guide, we will show you 5 methods on how to make it. Check them now.

Method 1. How to Convert M4A to WAV in Batch with VideoProc

VideoProc is one powerful audio/video editor and media converter that specialize in all types of media file format conversion. With its super built-in technology - Level-3 Hardware Acceleration Engine, all media format types can be batch converted into another in a few seconds without any quality loss, for sure. Either commonly used audio file formats or obscure ones are covered by it. There are up to 10+ audio formats are there for you to choose from.

Donwload it now and follow the steps below to make it.

Step 1: Add music files to the list.

Click Video > +Music to add M4A file(s) to the list, or you can simply drag and drop the music file into the centerboard.

Step 2: Start converting M4A to WAV.

After loading up all M4A files, select Music in the section of Target Format. And then Click WAV.

Step 3: Run the conversion process.

Click Browse to set an output destination for the generated WAV file(s). And then hit RUN to start to batch convert M4A to WAV.

convert M4A to WAV in batch with VideoProc
convert M4A to WAV in batch with VideoProc

Bonus Tips:

1. Click Codec Option to open up the format parameter adjusting panel. You are going to have full control over the exported WAV file.

  • Move the quality slider left or right to get a lower or higher quality.
  • Go to Audio Codec Options. You can enter the desired Audio Codec, Sample Rate, and Bit Rate information.
  • Click Name & Tag to enter a new panel where you can adjust the Output Name, Song Name, Artist, Album, Genre, Images and other information.

2. You are also allowed to convert M4A files to other formats, namely, MP3, M4R, AAC, OGG, FLAC, and more.

3. Click Merge if you need to joint multiple M4A files into one.

VideoProc customization settings
VideoProc customization settings

Method 2. How to Convert M4A to WAV in iTunes

Apple iTunes can also work as an M4A to WAV converter. It is a default app on Mac, but it is also available for Windows users. Follow the steps below to find out how to use it make the job done.

Step 1. Launch iTunes, Click on Preference from the Edit menu. Go to General > Import Settings.

Step 2. Choose WAV Encoder in the drop-down menu next to the Import Using. Save the change by clicking on OK. Now you can change the M4A file to WAV format. Keep reading.

Convert M4A to WAV with iTunes
Convert M4A to WAV with iTunes

Step 3. If the M4A file has already existed in iTunes library, you can just choose File > Convert > Create WAV Version, then another WAV version of this file would be displayed in iTunes Library; However, if the M4A files are not in iTunes library, the operation would be a little different. Hold down the Shift key on your keyboard, and click File > Convert > Convert to WAV. Then it would ask you to locate and import the M4A files. Just choose the files and click Open button. iTunes will change them in WAV format and show them in library.

Step 4. Now you just need to jump to the library folder and find the converted files. Have no idea where it is? Click on Edit > Preference > Advanced in iTunes, and you will see the folder path.

Method 3. How to Convert M4A to WAV in Audacity

Audacity is an open-source audio editor that also allows you to convert M4A to WAV on Windows, Mac, and Linux without paying a penny. But before everything gets started, you have to download FFmpeg Library, Because The FFmpeg library allows Audacity to import and export a much larger range of audio formats, M4A included.

Step 1. Locate FFmpeg Library.

Install FFmpeg on your computer. You can just go to here to get the installation file. Normally when you have FFmpeg installed on your computer, Audacity would automatically detect the library and you have no need to do another thing. If it fails detecting the library, just launch Audacity, go to the menu bar to click Edit > Preferences, select Libraries on the pop-up dialog window, and click the Locate button to do it manually.

Tip: some of you may also need to have an LAME MP3 library installed on your computer. The process is the same as installing the FFmpeg library.

Audacity Libraries
Audacity Libraries

2. Add M4A File(s) to Audacity.

Launch Audacity again. Go to File > Open and select M4A file(s) you want to convert.

import M4A file in Audacity
import M4A file in Audacity

3. Start the Conversion of M4A to WAV

Click on File on the menu bar and select Export > Export as WAV. Set an easy-to-found position as the output file folder. Click on OK to save changes. The conversion process will soon start.

Method 4. How to Convert M4A to WAV in VLC

Even though VLC works as a media player, we can also use it for M4A to WAV conversion. And here are the detailed steps.

Step 1. Launch VLC on your computer, click on Media tab > Convert / Save.

choose Convert / Save option in VLC
choose Convert / Save option in VLC

Step 2. In the new window, click +Add button to locate the M4A file and import it. Then choose Convert / Save button again.

add M4A file in VLC
add M4A file in VLC

Step 3. In another new window, click on the wrench icon menu, which would lead you to the page with more video and audio formats options.

Step 4. On the page, find and choose WAV. Then click Save button back to the previous window.

choose WAV format in VLC
choose WAV format in VLC

Step 5. Then choose the destination path and click Start button. VLC would start the processing job.

convert M4A to WAV in VLC
convert M4A to WAV in VLC

Method 5. How to Convert M4A to WAV Online

Online tools are becoming popular among users, since they require no downloading and installing some files. It is quite convenient. Here we recommend you Zamzar as an great choice.

Step 1. Open this tool in your browser on your Windows 10 or Mac computer.

Step 2. Load your M4A files by clicking on the Add File button. You can import multiple files. However, you need to know that Zamzar only allows users to convert 2 files a day for free. For converting more files, you have to upgrade your account, with three options, basic plan with $9/month, pro plan with $16/month, and business plan with $25/month.

Step 3. After files imported, click the Convert button to start processing.

Step 4. Wait for Zamzar finishing the converting, and then just download the converted files to your computer.

convert M4A to WAV in Zamzar
convert M4A to WAV in Zamzar

Over to You

Now we finish all 5 methods on converting M4A to WAV and just choose the one you prefer. Still have no clue? If you want do it in batch, then VideoProc would be the best option; if you prefer free software, iTunes, Audacity and VLC would be great; if you do not want to downloading any installation file, then go to the online way.

About The Author

Cecilia Hwung is the marketing manager of Digiarty Software and the editor-in-chief of VideoProc team. She pursues common progress with her team and expects to share more creative content and useful information to readers. She has strong interest in copywriting and rich experience in video editing tips.

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