Bulk M4R to FLAC Converter Online — Free HD Quality
Drag and drop your multiple M4R files into this 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 — your original M4R files are removed from our servers right after.
Drop images here or click to browse
PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
M4R vs FLAC — File Format Comparison
| 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.
- 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
Related Converters
- Handle many AC3 to OPUS at once
- Best APE to OGG converter online
- Free ARW to TIFF - no account needed
- Mass CAF to ICO conversion
- Batch CAF to PPM converter
- Turn CRW into PNM
- How to convert JPG to PDF?
- Convert M4B to PNM
- Switch MIDI to CUR format
- Online OPUS to PCX converter tool
- Handle many RMI to WBMP at once
- Quick SR2 to WEBP online converter
- Bulk convert SVG to TGA
- Transform WAVE to 3GA
- Convert M4R to other formats
- FLAC format converter hub
- Audio converter hub
- Browse all converters