How to convert MP4 files to M4A online?

Step 1.

Upload MP4-file

Click "Choose File" button to select a mp4 file on your computer. MP4 file size can be up to 50 Mb.
Step 2.

Convert MP4 to M4A

Click "Convert" button to start conversion.
Step 3.

Download your M4A

Let the file convert and you can download your M4A file right afterwards.

Information about MP4 and M4A file formats

Name MP4 M4A
Full name MP4 - MPEG-4 Part 14 M4A - Audio-only MPEG-4
File extension .mp4, .m4a, .m4p, .m4b, .m4r, .m4v .m4a
MIME type video/mp4 video/mp4
Developed by International Organization for Standardization International Organization for Standardization
Type of format Media container Media container
Description MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet.MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. M4A stands for MPEG 4 Audio and is a filename extension used to represent audio files.
Technical details Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams. A separate hint track is used to include streaming information in the file. The registered codecs for MPEG-4 Part 12-based files are published on the website of MP4 Registration authority (mp4ra.org). Audio-only MPEG-4 files generally have a .m4a extension. This is especially true of non-protected content. M4A is often compressed using AAC encoding (lossy), but can also be in Apple Lossless format.
Associated programs Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player
Wiki https://en.wikipedia.org/wiki/MPEG-4_Part_14 https://en.wikipedia.org/wiki/MPEG-4_Part_14