Bulk RMI to M4R Converter Online — Free HD Quality
Drag and drop your multiple RMI files into this free online RMI to M4R converter (.rmi 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 — your original RMI 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
RMI vs M4R — File Format Comparison
| Feature | RMI | M4R |
|---|---|---|
| File Extension | .rmi | .m4r |
| MIME Type | audio/midi | audio/mp4 |
| Compression Type | Varies | Lossy |
| Metadata Support | Yes | Yes |
What Is RMI Format?
RIFF MIDI — a Windows variant of the MIDI format wrapped in a RIFF container (the same container used by WAV), produced by older Windows Media Player and Cakewalk software.
- Compression: Varies
- 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
Related Converters
- Make 3GA files into OGG
- Turn ALAC into DDS
- Easy ALAC to PNM converter
- Convert multiple AVIF to TIFF
- DDS to PNG conversion
- Simple JPS to JPEG 2000 tool
- Mass JXL to CUR conversion
- Bulk convert MEF to RAS
- Convert MP1 files in bulk to AIFF
- How to convert MP3 to DDS?
- OGG to WAV conversion tool online
- Free online RMI to PCX tool
- Queue SGI to JXL conversions
- Change WMA to MP2
- Convert RMI to other formats
- Explore all M4R conversions
- Audio converter hub
- Explore all free converters