AMR to M4A
Convert AMR files to M4A online for free. Fast, secure, and no installation required. Best AMR to M4A tool.
Select AMR File
Process locally in your browser. 100% Private.
Fast & Free
Convert your files in seconds. No limitations, no watermarks.
Secure
Files never leave your device. All processing happens in your browser.
High Quality
Best in class algorithms for M4A conversion.
What is AMR?
Adaptive Multi-Rate
AMR is an audio compression format optimized for speech coding. AMR is widely used in GSM and UMTS mobile telephony.
- Optimized for speech
- Very small size
- Mobile standard
What is M4A?
MPEG-4 Audio
M4A is a file extension for an audio file encoded with advanced audio coding (AAC) which is a lossy compression. It is widely used by Apple iTunes and is generally considered the successor to MP3.
- Default Apple format
- High quality
- Chapter support