Convert iPhone Audio to AMR Online — Free
Fast, free iPhone Audio to AMR converter. No registration required.
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How to Convert
Upload your .m4a 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 .amr file when it's ready.
What is iPhone Audio?
iPhone-optimized audio format using AAC encoding at 256kbps. Configured for high-quality playback on iPhone devices with full Apple ecosystem compatibility.
Format Details
- Full Name
- iPhone Compatible Audio
- Extension
- .m4a
Key Features
- iPhone optimized
- AAC 256kbps
- Apple ecosystem
- AirPlay compatible
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
iPhone Audio vs AMR
| Feature | iPhone Audio | AMR |
|---|---|---|
| Full Name | iPhone Compatible Audio | Adaptive Multi-Rate Audio |
| Extension | .m4a | .amr |
| Best For | iPhone optimized | Speech optimized |