M4R to AAC Converter

Select files for conversion or just drag and drop them to the upload area

How to convert M4R files to AAC online?

Step 1.

Upload M4R-file

Click "Choose File" button to select a m4r file on your computer. M4R file size can be up to 50 Mb.
Step 2.

Convert M4R to AAC

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

Download your AAC

When the conversion process is complete, you can download the AAC file.


  • ❓ How can I convert M4R to AAC?
    First you need to add file for conversion: drag and drop your M4R file or click the "Choose File" button. Then click the "Convert" button. When M4R to AAC conversion is completed, you can download your AAC file.
  • ⏱️ How long does it take to convert M4R to AAC?
    Audio conversion is pretty fast. You can change M4R to AAC in a few seconds.
  • 🛡️ Is it safe to convert M4R to AAC on AnyConv?
    Of course! We delete uploaded files immediately, and converted ones after 24 hours. No one has access to your files. File conversion (including M4R to AAC) is absolutely safe.
  • 💻 Can I convert M4R to AAC on Mac OS or Linux?
    Yes, you can use AnyConv on any operating system that has a web browser. Our M4R to AAC converter works online and does not require software installation.

Information about M4R and AAC file formats

Name M4R AAC
Full name M4R - MPEG 4 Ringtones Audio AAC - Advanced Audio Coding
File extension .m4r .aac
MIME type audio/aac audio/aac
Developed by Apple Inc. Bell Labs, Fraunhofer Institute etc.
Type of format Audio compression format
Description M4R - is a digital multimedia container format used to store audio in mono channel mode. The Apple iPhone uses MPEG-4 audio files (with .m4r extension) for its ringtones. Length of m4r ringtone must be max 40 seconds. M4R and M4A formats shares many similar features. Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rates. AAC has been standardized by ISO and IEC, as part of the MPEG-2 and MPEG-4 specifications.
Technical details AAC supports inclusion of 48 full-bandwidth audio channels in one stream plus 16 low frequency effects channels, up to 16 "coupling" or dialog channels, and up to 16 data streams. The quality for stereo is satisfactory to modest requirements at 96 kbit/s in joint stereo mode; however, hi-fi transparency demands data rates of at least 128 kbit/s.
File conversion M4R conversion AAC conversion
Associated programs Apple QuickTime Player, Apple iTunes foobar2000, AIMP, DirectShow, QuickTime, VLC media player.
Wiki http://en.wikipedia.org/wiki/MPEG-4_Part_14 https://en.wikipedia.org/wiki/Advanced_Audio_Coding
M4R to AAC conversion quality rating:
4.6 (1600 votes)
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