Convert AMR to AAC Online — Free
Fast, free AMR to AAC converter. No registration required.
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Supports: AMR files
Max: 100MB (free) · 2GB (Pro)
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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 .aac 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 AAC?
AAC is an audio coding standard designed to be the successor of MP3. It provides better sound quality at similar bit rates.
Format Details
- Full Name
- Advanced Audio Coding
- Extension
- .aac
Key Features
- Superior to MP3
- Streaming optimized
- Wide support
- Efficient compression
AMR vs AAC
| Feature | AMR | AAC |
|---|---|---|
| Full Name | Adaptive Multi-Rate Audio | Advanced Audio Coding |
| Extension | .amr | .aac |
| Best For | Speech optimized | Superior to MP3 |