Bulk AMR to iPhone Audio Converter Online — Free HD Quality
Drag and drop your multiple AMR files into this 100% free online AMR to iPhone Audio converter (.amr to .iphone), and click the Convert button to bulk convert them to iPhone Audio format in HD quality. Use the quality slider to fine-tune your iPhone Audio output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original AMR files are removed from our servers right after. Also see:MP3 to WMA conversion tool online.
Drop your AMR files here to convert to iPhone Audio, or click to browse
Converts .amr to iPhone Audio (.iphone) in HD quality — bulk, free, no signup
Choose FilesAMR vs iPhone Audio — File Format Comparison
See how AMR and iPhone Audio compare across file extension, MIME type, compression, and feature support. Related:Export AMR as M4R.
| Feature | AMR | iPhone Audio |
|---|---|---|
| File Extension | .amr | .iphone |
| MIME Type | audio/amr | audio/mp4 |
| Compression Type | Lossy | Lossy |
| Metadata Support | No | Yes |
What Is AMR Format?
Adaptive Multi-Rate — the standard voice codec for GSM and UMTS mobile networks, used in phone call recordings and voice messages; delivers compact files optimised for speech at 8 kHz.
- Compression: Lossy
- Tags & Metadata: Not supported
What Is iPhone Audio Format?
iPhone-optimised Audio — AAC/M4A audio encoded at 256 kbps, 44100 Hz stereo for maximum compatibility with iPhone, producing a .m4a file ready to sync via iTunes or AirDrop.
- Compression: Lossy
- Tags & Metadata: Supported