ConverterFactory is a free & online convert M4R to AMR file in the cloud, you can easily and quickly use our convert services via browser for PC, mobile or pad, and we also support convert of over 140+ audio, video, document, image and more file formats.
M4R is a file format for storing ringtones on Apple's iPhone. It is based on the MPEG-4 Part 14 (MP4) container format and is used to save ringtones for use on the iPhone. It is a compressed audio file format, which means that it takes up less storage space than other audio file formats.
AMR is a file format for storing spoken audio using the AMR codec. It is an audio format optimized for speech coding and is used widely in GSM and UMTS (3G) mobile phones for voice recordings. It is also used for streaming audio over the internet. AMR files have a .amr extension.
Before preparing to convert m4r documents, we need to choose a computer, mobile phone, PAD comes with Chrome, Edge, Safari and other browsers, and enter https://converterfactory.com/m4r-to-amr website to open the m4r to amr conversion page.
STEP 1
Choose M4R files to upload to ConverterFactory website for conversion
STEP 2
Select the target output AMR format for conversion
STEP 3
Download the converted AMR file