Bulk FLAC to M4R Converter Online — Free HD Quality
Drag and drop your multiple FLAC files into this 100% free online FLAC to M4R converter (.flac to .m4r), and click the Convert button to bulk convert them to M4R format in HD quality. Use the quality slider to fine-tune your M4R output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original FLAC files are removed from our servers right after. Also see:Simple MP3 to OPUS tool.
Drop your FLAC files here to convert to M4R, or click to browse
Converts .flac to M4R (.m4r) in HD quality — bulk, free, no signup
Choose FilesFLAC vs M4R — File Format Comparison
See how FLAC and M4R compare across file extension, MIME type, compression, and feature support. Related:Switch MIDI to FLAC format.
| Feature | FLAC | M4R |
|---|---|---|
| File Extension | .flac | .m4r |
| MIME Type | audio/flac | audio/mp4 |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
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. See also:Free online WAV to WAVE tool.
- Compression: Lossless
- Tags & Metadata: Supported
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