Bulk M4R to MP3 Converter Online — Free HD Quality
Drag and drop your multiple M4R files into this 100% free online M4R to MP3 converter (.m4r to .mp3), and click the Convert button to bulk convert them to MP3 format in HD quality. Use the quality slider to fine-tune your MP3 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:Batch M4A to WAV converter.
Drop your M4R files here to convert to MP3, or click to browse
Converts .m4r to MP3 (.mp3) in HD quality — bulk, free, no signup
Choose FilesM4R vs MP3 — File Format Comparison
See how M4R and MP3 compare across file extension, MIME type, compression, and feature support. Related:Export FLAC as OGG.
| Feature | M4R | MP3 |
|---|---|---|
| File Extension | .m4r | .mp3 |
| MIME Type | audio/mp4 | audio/mpeg |
| 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. See also:Queue AAC to M4A conversions.
- Compression: Lossy
- Tags & Metadata: Supported
What Is MP3 Format?
MPEG-1 Audio Layer III — the world's most popular compressed audio format, balancing sound quality with small file sizes for music streaming, downloads, and portable devices. You might also need:Simple OGG to AIFC tool.
- Compression: Lossy
- Tags & Metadata: Supported