Convert MP3 to AMR Online — Free
Fast, free MP3 to AMR converter. No registration required.
Drop files here or click to browse
Supports: MP3 files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .mp3 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 MP3?
MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.
Format Details
- Full Name
- MPEG Audio Layer III
- Extension
- .mp3
Key Features
- Universal compatibility
- Small file sizes
- Streaming support
- ID3 tag support
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
MP3 vs AMR
| Feature | MP3 | AMR |
|---|---|---|
| Full Name | MPEG Audio Layer III | Adaptive Multi-Rate Audio |
| Extension | .mp3 | .amr |
| Best For | Universal compatibility | Speech optimized |