Convert M4A to M4R
Convert M4A files to M4R format online for free. No upload required, 100% private.
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M4AM4RRe-encoding
Converting between two lossy formats (M4A → M4R) involves re-encoding, which may cause additional quality loss. For best results, convert from the original source file when possible.
About M4A
M4A
MPEG-4 Part 14 Audio
M4A is an audio-only MPEG-4 container format, commonly used by Apple devices and iTunes. It typically contains AAC or ALAC encoded audio.
Extension
.m4a
Developed By
Apple Inc.
Released
2001
Compression
LossyTypical Use Cases
iTunes musicApple devicesAudiobooksPodcasts
Pros
- • Better quality than MP3 at same bitrate
- • Good Apple ecosystem support
- • Supports chapters
Cons
- • Less universal than MP3
- • Some older devices incompatible
- • Requires specific codecs
About M4R
M4R
iPhone Ringtone Format
M4R is the ringtone format used by Apple iPhones. It is essentially an M4A file with a different extension, limited to 40 seconds for ringtones.
Extension
.m4r
Developed By
Apple Inc.
Released
2007
Compression
LossyTypical Use Cases
iPhone ringtonesiOS alert tonesCustom notification sounds
Pros
- • Native iPhone support
- • Easy to create from M4A
- • Good audio quality
Cons
- • iPhone only
- • 40 second limit
- • Requires iTunes for transfer