Bulk M4R to FLAC Converter Online — Free HD Quality
Drag and drop your multiple M4R files into this 100% free online M4R to FLAC converter (.m4r to .flac), and click the Convert button to bulk convert them to FLAC format in HD quality. Use the quality slider to fine-tune your FLAC 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:Queue MP3 to CAF conversions.
Drop your M4R files here to convert to FLAC, or click to browse
Converts .m4r to FLAC (.flac) in HD quality — bulk, free, no signup
Choose FilesM4R vs FLAC — File Format Comparison
See how M4R and FLAC compare across file extension, MIME type, compression, and feature support. Related:Best M4B to Android Audio converter online.
| Feature | M4R | FLAC |
|---|---|---|
| File Extension | .m4r | .flac |
| MIME Type | audio/mp4 | audio/flac |
| Compression Type | Lossy | Lossless |
| 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:Change M4R files to AMR.
- Compression: Lossy
- Tags & Metadata: Supported
What Is FLAC Format?
Free Lossless Audio Codec — open-source lossless compression that reduces file size by 40–60% versus WAV with zero quality loss, perfect for audiophile archiving.
- Compression: Lossless
- Tags & Metadata: Supported