Convert AMR to M4P Online — Free
Fast, free AMR to M4P converter. No registration required.
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How to Convert
Upload your .amr file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4p file when it's ready.
What is AMR?
AMR is an audio format optimized for speech encoding. It's commonly used for voice recordings on mobile phones and VoIP applications.
Format Details
- Full Name
- Adaptive Multi-Rate Audio
- Extension
- .amr
Key Features
- Speech optimized
- Mobile phones
- Small files
- Voice recording
What is M4P?
M4P is the iTunes Protected AAC format, used by Apple for DRM-protected music purchased from the iTunes Store before 2009. It uses the MPEG-4 Audio container with Apple FairPlay encryption wrapping AAC-encoded audio. Unprotected M4P files (after DRM removal) can be converted to standard audio formats.
Format Details
- Full Name
- iTunes Protected AAC
- Extension
- .m4p
Key Features
- AAC audio codec
- FairPlay DRM wrapper
- MPEG-4 container
- iTunes metadata support
AMR vs M4P
| Feature | AMR | M4P |
|---|---|---|
| Full Name | Adaptive Multi-Rate Audio | iTunes Protected AAC |
| Extension | .amr | .m4p |
| Best For | Speech optimized | AAC audio codec |