Convertamrm4a
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How to convert amr to m4a?

Online amr to m4a, you can put the amr to m4a format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload amr file

Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2

Select 'm4a'

Select output m4a or any other format as the conversion result (click the Convert button)
Step 3

Download your amr file

After the conversion you can download your m4a file and upload it to Google Drive, Dropbox.

amr : Adaptive Multi-Rate Codec File

AMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.

m4a : MPEG-4 Audio Layer

M4A is an audio file format that is very similar to MP4. It is a proprietary file format of Apple. iTunes store contains the audios as M4A format. It uses MPEG-4 codec to contain audio files. One of the basic differences between M4A and MP4 is M4A does not contain videos like MP4.
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