Convert AAC to M4R - online and free - this page also contains information on the AAC and M4R file extensions.
❯ 
How to convert a AAC to a M4R file?
- Choose the AAC file that you want to convert.
- Select M4R as the the format you want to convert your AAC file to.
- Click "Convert" to convert your AAC file.
Zamzar Pro Tip: You can use VideoLANs VLC player to open AAC files if Apples Quicktime fails.
Drag & drop files, or select link
Max. file size 50MB (want more?)
Or choose a different format
(And agree to our Terms)
Zamzar has converted over 510 million files since 2006
| File extension | .aac |
| Category | Audio File |
| Description | AAC is similar to MP3. It essentially cuts out, or compresses, information that the human ear cannot pick up thereby making digital files smaller and more easily managed and therefore quicker to download. AAC is about half the size of MP3 but with better quality. It is at least one tenth the size of CD digital data. Apple are the biggest users of this format and if you have an iPod or iPhone then you will have come across this format as it is iTunes default audio format. |
| Actions | AAC to M4R - Convert file now View other audio file formats |
| Technical Details | AAC is similar in concept to MP3 but goes further. It too compresses digital audio files but to a bigger degree. It is also part of the MPEG-4 standard, it is most widely used to create small digital audio files. The current variant is specified in ISO/IEC standard 14496-3. Like MP3, AAC is a lossy algorithm. The human hearing system cannot hear quiet sounds in the presence of loud sounds of a similar frequency; for example, a voice conversation cannot be heard while an aeroplane flies low overhead. This is known as auditory masking, this allows the discarding of data with minimal loss of quality. |
| Associated programs | KMPlayer RealPlayer VideoLAN VLC Media Player Windows Media Player iTunes |
| Developed by | A combination of Fraunhofer IIS, AT&T Bell Laboratories, Dolby and Sony Corporation |
| MIME type | audio/aac |
| Useful links | More detail about the AAC file format How to play AAC files Convert AAC file |
| File extension | .m4r |
| Category | Audio File |
| Description | The M4R is an iPhone ringtone file that is essentially a renamed AAC (m4a) file. Not all iTunes Music Store songs can be used to create M4R ringtones. In order to create an M4R ring tone from an iTunes song, the song must allow for M4R ringtone creation. An M4R ring tone is automatically transferred to a user's iPhone when the iPhone is synced with the user's computer. |
| Actions | Convert M4R file View other audio file formats |
| Technical Details | M4R is essentially a renamed AAC (M4A) file - it is similar to MP3 but compresses the digital audio files further. It is part of the MPEG-4 standard and is specified in the ISO/IEC standard 14496-3. It is a lossy algorithm much like AAC and MP3. M4R supports auditory masking - essentially discarding data with minimal loss of quality. |
| Associated programs | Apple QuickTime Player Apple iTunes |
| Developed by | Apple |
| MIME type | audio/aac |
| Useful links | Larger guide to M4R More detail on the MPEG4 format Convert M4R file |
Convert AAC file
Using Zamzar it is possible to convert AAC files to a variety of other formats
- aac to ac3 (AC3 Audio File)
- aac to flac (Free Lossless Audio Codec)
- aac to m4a (Compressed video file)
- aac to m4r (iPhone Ringtone File)
- aac to mp3 (Compressed audio file)
- aac to mp4 (MPEG-4 Video File)
- aac to ogg (Ogg Vorbis Compressed Audio File)
- aac to wav (Windows audio file)
- aac to wma (Windows Media Audio)