Bulk WAV to M4R Converter Online — Free HD Quality
Drag and drop your multiple WAV files into this free online WAV to M4R converter (.wav 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 WAV files are removed from our servers right after.
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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
WAV vs M4R — File Format Comparison
| Feature | WAV | M4R |
|---|---|---|
| File Extension | .wav | .m4r |
| MIME Type | audio/wav | audio/mp4 |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
What Is WAV Format?
Waveform Audio File Format — Microsoft and IBM's uncompressed PCM audio standard delivering bit-perfect quality for professional recording, mixing, and archival use.
- 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
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