AAC to M4R Converter

Batch convert aac files to m4r format online for free

Choose files or drag & drop them here.
Only you have access to your files.
All files will be deleted after one hour.

How to convert AAC files to M4R online?

Step-by-step guide to convert aac to m4r using AnyConv. It works on PC (Windows, Mac, Linux) and mobile devices (iPhone, Android).

Upload AAC-file

Drag and drop your AAC file into the upload area. The maximum file size is 100 MB.

AAC to M4R

Click "Convert" to change aac to m4r. The conversion usually takes a few seconds.

Download your M4R

Now you can download the M4R file. The download link only works on your device.


  • ❓ How can I convert files from AAC to M4R?
    First you need to add file for conversion: drag and drop your AAC file or click the "Choose File" button. Then click the "Convert" button. When AAC to M4R conversion is completed, you can download your M4R file.
  • ⏱️ How long does it take to convert AAC to M4R?
    Audio conversion is pretty fast. You can change AAC to M4R in a few seconds.
  • 🛡️ Is it safe to convert AAC to M4R on AnyConv?
    Of course! We delete uploaded files immediately, and converted ones after 1 hour. No one has access to your files. File conversion (including AAC to M4R) is absolutely safe.
  • 💻 Can I convert AAC to M4R on Mac OS or Linux?
    Yes, you can use AnyConv on any operating system that has a web browser. Our AAC to M4R converter works online and does not require software installation.

Information about AAC and M4R file formats

🔸 File format AAC M4R
🔸 Full name AAC - Advanced Audio Coding M4R - MPEG 4 Ringtones Audio
🔸 File extension .aac .m4r
🔸 MIME type audio/aac audio/aac
🔸 Developed by Bell Labs, Fraunhofer Institute etc. Apple Inc.
🔸 Type of format Audio compression format
🔸 Description 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. ISO and IEC have standardized AAC as part of the MPEG-2 and MPEG-4 specifications. M4R - is a digital multimedia container format used to store audio in mono channel mode. For example, the Apple iPhone uses MPEG-4 audio files (with .m4r extension) for its ringtones. The length of the m4r ringtone should not exceed 40 seconds. M4R and M4A formats shares many similar features.
🔸 Technical details AAC supports the 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 AAC conversion M4R conversion
🔸 Associated programs foobar2000, AIMP, DirectShow, QuickTime, VLC media player. Apple QuickTime Player, Apple iTunes
🔸 Wiki https://en.wikipedia.org/wiki/Advanced_Audio_Coding http://en.wikipedia.org/wiki/MPEG-4_Part_14
AAC to M4R Conversion Quality Rating
4.7 (343 votes)
Convert and download at least one file to rate.