What is M4A

M4A is an audio-only MPEG-4 file. The official extension of MPEG-4 file is MP4 which contains both video and audio data, but when it only contains audio, then it uses the M4A file extension. M4A format is widely used by Apple for unprotected music downloaded from their iTunes Music Store (DRM protected music uses M4P extension).

Why Convert YouTube Video to M4A

For Apple fans, you may favor M4A file and choose to convert YouTube videos to M4A for playing them on your iPod, iPhone, iPad and other Apple devices. M4A is popular among the users because of its lossless sound quality and low consumption of storage.

How to Convert YouTube Video to M4A

Fortunately, Free Youtube to MP3 Converter for Mac strives to make it as easy and as fast as possible for you to convert your favorite videos to M4A format. Simply paste the link of the YouTube video you want to convert and click the "Download" button. Now, sit back and enjoy your music on any your Apple devices.

Step 1. Paste URL of YouTube Video

After launching Free Youtube to MP3 Converter for Mac, copy the URL of the YouTube video and then paste it in the box of "Paste Your Video URLs below". To download YouTube videos in batch, just paste their URLs in the box.

Step 2. Choose Output Format

Click "Options - Audio" and a list of audio formats will be provided in the dropdown menu of "Audio Format", choose "M4A" as the output format.

Step 3. Start Conversion

Now, click "Download" to start video download and conversion.

More tools are available to suit your needs:

Playlist: download video playlist and set max download
Output: options for output file name (ASCII, ID, Title)
Subtitles: download subtitle file by language/all available subtitles/automatic subtile file
Filesystem: open destination folder, write description to file, write thumbnail to disk, etc.
Shutdown: choose to shutdown computer when conversion is finished
Authentication: password and username inputting for video sharing websites or videos
Connection: use proxy for connection
Localization: choose localization language