Bulk M4R to iPhone Audio Converter Online — Free HD Quality
Drag and drop your multiple M4R files into this 100% free online M4R to iPhone Audio converter (.m4r 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 M4R files are removed from our servers right after. Also see:Convert multiple MIDI to WAVE at once.
Drop your M4R files here to convert to iPhone Audio, or click to browse
Converts .m4r to iPhone Audio (.iphone) in HD quality — bulk, free, no signup
Choose FilesM4R vs iPhone Audio — File Format Comparison
See how M4R and iPhone Audio compare across file extension, MIME type, compression, and feature support. Related:Simple OPUS to MP2 tool.
| Feature | M4R | iPhone Audio |
|---|---|---|
| File Extension | .m4r | .iphone |
| MIME Type | audio/mp4 | audio/mp4 |
| Compression Type | Lossy | Lossy |
| Metadata Support | Yes | Yes |
What Is M4R Format?
iPhone Ringtone — AAC audio in an MP4 container under 40 seconds, the format iTunes and iPhone use for custom ringtones; identical to M4A in encoding but recognised by iOS as a ringtone file.
- Compression: Lossy
- Tags & Metadata: 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