Bulk M4P to AMR Converter Online — Free HD Quality
Drag and drop your multiple M4P files into this 100% free online M4P to AMR converter (.m4p to .amr), and click the Convert button to bulk convert them to AMR format in HD quality. Use the quality slider to fine-tune your AMR output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original M4P files are removed from our servers right after. Also see:Best APE to WAV converter online.
Drop your M4P files here to convert to AMR, or click to browse
Converts .m4p to AMR (.amr) in HD quality — bulk, free, no signup
Choose FilesM4P vs AMR — File Format Comparison
See how M4P and AMR compare across file extension, MIME type, compression, and feature support. Related:Convert M4P to CAF.
| Feature | M4P | AMR |
|---|---|---|
| File Extension | .m4p | .amr |
| MIME Type | audio/mp4 | audio/amr |
| Compression Type | Lossy | Lossy |
| Metadata Support | Yes | No |
What Is M4P Format?
Protected MPEG-4 Audio — Apple's FairPlay DRM-protected AAC format used in early iTunes Store purchases; non-DRM M4P files (iTunes DRM removal, 2009) can be converted, but actively DRM-locked files will fail. See also:M4P to AIFC conversion tool online.
- Compression: Lossy
- Tags & Metadata: Supported
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