Convert MP4 to M4A

Extract audio from MP4 videos and save it as M4A files.

Select your files

or drag and drop your file here

* Files deleted after 24 hours

Convert files up to 100 MB for free

How to convert MP4 to M4A online

1

Drag and drop your MP4 file, or click to select a file. Works with MP4 videos from various sources.

2

The tool extracts audio from your MP4 video and converts it to M4A format.

3

Wait for the conversion to finish. Most MP4 files take 10-30 seconds. A progress bar shows the status.

4

When conversion finishes, you can preview the M4A file. Check the audio quality and file size before downloading.

5

Click Download to save the M4A file to your device. Files are deleted after 24 hours.

About M4A Format

M4A (MPEG-4 Audio) is an audio file format developed by Apple. It's based on MPEG-4 Part 14 and uses AAC (Advanced Audio Coding) compression. M4A files are commonly used for music, podcasts, and audiobooks, especially on Apple devices.

History and Development

M4A was introduced by Apple in 2004 as part of the MPEG-4 standard. It was designed to replace MP3 as a more efficient audio format. M4A uses AAC compression, which provides better sound quality than MP3 at the same file size. The format became popular on Apple devices (iPod, iPhone, iPad) and is now widely supported on many platforms.

Technical Specifications

M4A files use AAC (Advanced Audio Coding) compression, which is more efficient than MP3. The format supports various bitrates, typically ranging from 64kbps to 320kbps. M4A files can include metadata like track titles, artist names, album information, and cover artwork. The format also supports advanced features like chapters and embedded images, which are useful for audiobooks and podcasts.

Advantages

  • Widely supported on modern devices

Limitations

  • Less universal than MP3

Device Compatibility

M4A works well on modern devices. It's natively supported on Apple devices (iPhone, iPad, iPod, Mac). Most Android devices and modern Windows media players support M4A. Smart speakers like Amazon Echo and Google Home also support the format. Very old devices may have compatibility issues.

Use Cases for MP4 to M4A Conversion

Converting MP4 to M4A is useful for anyone who wants to extract audio from videos. Common uses:

Music Extraction

Extract audio from music videos. Convert MP4 music videos to M4A audio files for listening on music players.

Podcast Creation

Extract audio from video podcasts. Convert MP4 podcast videos to M4A audio files for podcast players.

Lecture Recording

Extract audio from lecture videos. Convert MP4 lecture recordings to M4A audio files for offline listening.

Audio Library

Build an audio library from video content. Convert MP4 videos to M4A audio files for music players and media libraries.

Storage Saving

Save storage space by extracting audio. M4A files are much smaller than MP4 videos, making them useful for mobile devices.

Audiobook Creation

Create audiobooks from video content. M4A supports chapters and embedded images, which are useful for audiobooks.

Mobile Listening

Listen to audio on mobile devices. M4A files are smaller and more efficient than MP4 videos for audio-only content.

Technical Details

MP4 to M4A Conversion

MP4 videos contain both video and audio tracks. When converting to M4A, the video track is removed and only the audio track is extracted. The audio is then encoded in M4A format using AAC compression. The conversion process preserves the audio quality while removing the video data, resulting in much smaller file sizes.

Format Limitations

M4A has some limitations compared to MP4: it only contains audio, so video information is lost. The format may not work on very old devices that don't support M4A. Some devices may require conversion to other formats. However, M4A provides better audio quality than MP3 at the same file size and is widely supported on modern devices.

MP4 vs M4A

Here's how MP4 compares to M4A:

Feature
Mp4 to M4A
M4A
Content Type
Video and audio
Audio only
File Size
Large (includes video)
Small (audio only)
Use Case
Video playback
Audio playback
Quality
Video and audio quality
Audio quality only
Best For
Watching videos, sharing video content
Music, podcasts, audiobooks, audio-only listening

MP4 to M4A conversion FAQ

Rate This Page

4.5(357 votes)

Click a star to rate