Drop file here. 150 MB maximum file size.
An M4A is an audio file stored in MPEG-4 encoded with either Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC) formats. It stores different types of audio content, such as songs, podcasts and audio books.
An AMR is a compressed audio file developed by Ericsson. Optimized for audio storage, it is used by many 3G cell phones to store voice recordings, which include MMS messages.
Access powerful and secure free online M4A tools to convert, view, edit, merge, split, and compare M4A files β all without installing any software. Our tools support the .M4A (MPEG-4 Audio File) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your M4A files directly from your device with ease.
Chose or drag & drop your M4A file, click Convert to AMR, and download the AMR file. No registration needed.
Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.
Yes, our converter retains layout, fonts, and images as accurately as possible.
Fileproinfo converter engine works fast. You can convert M4A to AMR in a few seconds to couple of minutes for large size files with complex structure.
FileProInfo support manay file formats that allow you to convert M4A to 100s of file formats, without any limit, registration and downloading, 100% free and online M4A converter.
All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.
This tool and page updated at: 12-Apr-2025
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